Paraguayan sopa paraguaya: a golden savory cake baked from cornmeal, cheese, and onion
Prep25 min
Cook45 min
Serves8 pieces
CuisineParaguayan

Sopa Paraguaya: Paraguay's "Solid Soup" Cheese and Cornmeal Bread

How to make sopa paraguaya the Paraguayan way: why it's called a solid soup, choosing cornmeal and cheese, how it differs from chipa guasu, mixing so the onion doesn't burn, storage, serving with meat, and reheating the next day, all for a home kitchen.

Total: 1 hr 10 minLevel: Beginner

Cooking flow

Cooking steps

STEP 11 / 5

Cook the onion until sweet

Preparing the ingredients for sopa paraguaya before baking
Preparing the onion, cornmeal, cheese, eggs, and milk before mixing makes lumps less likely

Slice 2 onions thinly. Melt 40 g butter and 1 tbsp vegetable oil in a skillet over medium-low heat, then add the onions and 1/3 tsp salt. Cook without browning for 10–12 minutes, until translucent and smelling sweet. If you burn them here, the whole dish turns bitter, so the guide is to not let them turn brown.

STEP 22 / 5

Combine the milk and flour

Sopa paraguaya batter before baking
Cornmeal that has absorbed the milk, mixed with onion and cheese. If the batter is too stiff here, add 2 tbsp milk

Take the sweetened onions off the heat, add 500 ml milk, and let cool to about body temperature. Put 300 g cornmeal, 1 tsp baking powder, and 1/4 tsp black pepper in a bowl and mix in the onion milk in 3 additions. Leave it about 2 minutes until the flour absorbs the liquid and turns heavy, and mash any lumps with a spatula.

STEP 33 / 5

Mix in the eggs and cheese

3 min

Sopa paraguaya batter poured into the baking pan
With the eggs and cheese added, the batter should be heavier than pancake batter and fall slowly from a spatula

In another bowl, beat 4 eggs well until the whites break up. Add the eggs to the batter, then crumble in 180 g mozzarella and 70 g feta by hand and mix. Mix until the batter is even throughout, but don't break the cheese up completely; leaving some pieces about 1 cm creates salty layers when baked. Taste, and if needed add the remaining salt, up to 1/2 tsp.

STEP 44 / 5

Pour into the pan and bake

Baked sopa paraguaya before cutting
Fresh from the oven the inside is soft. Rest it 10 minutes in the pan and it is less likely to fall apart when cut

Preheat the oven to 180°C. Grease a roughly 20 cm square baking dish with 1 tbsp vegetable oil, pour in the batter, and smooth the top. Bake at 180°C for 40–45 minutes. It is done when the surface is a deep golden color and a skewer in the center comes out with no wet batter. If it browns early, loosely cover with aluminum foil at the 30-minute mark.

STEP 55 / 5

Rest and cut

Cut sopa paraguaya served on a plate
Resting 10 minutes before cutting gives a clean cross-section. It can be eaten warm or cooled

When it comes out of the oven, rest it in the pan for 10–15 minutes. Cut right out of the oven it collapses easily from steam, so wait until the surface heat settles a little and cut into 8 equal pieces. Warm, the cheese aroma rises; cooled, the batter firms up and is easy to put into a lunch box.

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Ingredients

Ingredients

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Ingredients

Ingredient Amount Substitutes & notes
Finely ground cornmeal 300 g Corn flour also works. Cornstarch does not
Milk 500 ml Whole milk suits it. Soy milk changes the aroma
Eggs 4 Easier to mix at room temperature
Onions 2 (about 300 g) Thinly sliced. Don't brown them, to keep the sweetness
Mozzarella 180 g Shredded pizza cheese also works. Avoid wet fresh mozzarella
Feta 70 g Or 3 tbsp grated hard cheese, or 100 g cottage cheese
Unsalted butter 40 g Lard for the local style. 3 tbsp vegetable oil also works
Vegetable oil 2 tbsp Includes the amount for greasing the pan
Salt 1 tsp With the saltiness of the cheese, you can reduce to 1/2 tsp
Baking powder 1 tsp Not traditionally required, but insurance for lightness in a home oven
Black pepper 1/4 tsp Optional
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The "Soup That Isn't Soup" Bakes in Your Kitchen

In the evening, as you slowly sauté onions in butter, the air in the kitchen turns a little sweet. Pour in milk, let yellow cornmeal soak it up, and crumble in white cheese in generous pieces. All that remains is to pour it into a baking dish and put it in the oven, yet by the time it comes out, you can't quite say whether what you're putting on the table is bread or a side dish.

Sopa paraguaya has "soup" in its name, but it is actually a savory Paraguayan cheese bread made from cornmeal, cheese, onion, eggs, and milk. Cut, it looks like a square cake; in the mouth it is moister than cornbread and lighter than a gratin. The saltiness of baked cheese and the sweetness of onion linger, so it goes beside a meat dish, on a breakfast plate, or into a lunch box the next day, cold.

Sliced sopa paraguaya on a wooden board
Sopa paraguaya is a savory cornbread eaten in slices. Not a soup, but closer to a side dish that supports the whole table

When you build up South American cooking, it's easy to look at the grand meat dishes: Brazilian churrasco (in Japanese), Bolivian salteñas, Uruguayan chivito (all take the starring role at the table). Sopa paraguaya, by contrast, is the dish next to the star that pulls the plate together. In Paraguay it sits beside asado (grilled meat) and stews, catching soup and meat juices and adding satisfaction with the aroma of corn and dairy.

The hard parts outside Paraguay are queso Paraguay and harina de maíz (corn flour). The former is almost impossible to find abroad, and the latter is sold mixed in with cornstarch, corn flour, polenta, and masarepa. This article keeps the local way of thinking and shows concretely how to substitute ingredients you can buy at a supermarket or online.

Why a "soup" is solid

The Spanish word sopa usually means "soup," but sopa paraguaya is a dish that is baked solid. For the name there is a well-known anecdote that a soup being made for the nineteenth-century Paraguayan president Carlos Antonio López was made too thick, so it was baked. As culinary history, though, it is steadier to see it as a dish born where the corn and cassava doughs of the Guaraní met the dairy and eggs brought by the Spanish.


The Story of the Dish: Guaraní Flour Foods Meet Spanish Dairy

A slice of sopa paraguaya on a plate
Adding cheese and eggs to corn dough turned an indigenous flour food into a rich baked dish

What is interesting about sopa paraguaya shows in the ingredients. Cornmeal is deeply rooted in the food culture of the Guaraní. Into that came the cattle, milk, eggs, and cheese that spread after the Spanish colonial period. English- and Spanish-language explanations often describe the dish as one where "Guaraní and Spanish food cultures combine," treating it not as mere cornbread but as a dish with Paraguay's history baked in.

In Paraguayan cooking, corn and cassava have a stronger presence than rice. Many dishes use flour or starch, such as chipa, mbejú (in Japanese), chipa guasu, and bori bori, and the line between staple and side is loose. Sopa paraguaya is one of them: beside meat it is a side, with coffee in the morning it is a light meal, and next to a stew it becomes the staple.

How It Differs from Chipa Guasu

Searching on the web, sopa paraguaya and chipa guasu (chipa guazu) are easily confused. Both use corn and cheese, and both are sometimes cut into squares and eaten, but the basic ingredients differ.

Dish Main ingredients Texture Reproduction point outside Paraguay
Sopa paraguaya Cornmeal, cheese, eggs, milk, onion Moist savory cornbread Finely ground cornmeal and the saltiness of the cheese matter
Chipa guasu Fresh corn, cheese, eggs, milk, onion Closer to a soufflé, with the strong sweetness of corn kernels Moisture control of canned or frozen corn matters
Arepa Pre-cooked corn flour, water, salt A staple bread crisp outside and soft inside Masarepa is essential. Ordinary cornmeal makes something else

Venezuelan arepas are made by kneading pre-cooked corn flour called masarepa with water, while sopa paraguaya is lifted by eggs and dairy and baked moist in the oven. Within the overview of South American cuisine (in Japanese), remember it as a "baked side dish" set beside meat, and you won't be confused.

Why It Goes So Well Beside Meat

At Paraguayan tables, sopa paraguaya is often set beside beef asado and stews. Eating fatty meat makes you want bread or rice, but ordinary bread only soaks up the juices and the flavor tends to go flat. Sopa paraguaya has the sweetness of corn, the saltiness of cheese, and the aroma of sautéed onion, so it can take in the meat and still keep its own taste.

This character is a little like Brazil's farofa (in Japanese). Neither stars on its own; both slip in among the meat, beans, stews, and salads and make the whole plate easier to keep eating. At home it fits naturally beside barbecue, roast chicken, chili con carne, and hearty soups. It also works as a different kind of base from rice with bean stews like feijoada and seafood stews like moqueca baiana (in Japanese).


Ingredients (8 pieces): Cheese and Flour You Can Gather

Finished Paraguayan sopa paraguaya
Sopa paraguaya. The proportions of flour, dairy, eggs, and onion decide the texture

Local recipes often use queso Paraguay, lard or oil, cornmeal, milk or whey, eggs, and onion. Since queso Paraguay is hard to get elsewhere, combining the stretch of mozzarella with the saltiness of feta or grated hard cheese gets you close. Shredded pizza cheese alone melts easily but tastes vague, so the trick is to add a little salty cheese.

Allergens

This dish contains eggs and dairy. Cornmeal itself is not wheat, but depending on the product it may be processed on a line that handles wheat. If you avoid gluten, check the allergen labeling on the package before buying.

Ingredients That Cause Confusion When Shopping

On the cornmeal shelf, similarly named flours line up. Cornstarch is only starch, so no. Coarse polenta grind leaves hard grains and doesn't suit the moist dough here. Masa harina is for Mexican cooking and its lime-treated aroma makes a different dish. Masarepa is the pre-cooked flour for arepas; it can be used, but absorbs differently, so the moisture needs adjusting.

For a first try, choose "finely ground cornmeal" or "corn flour." The finer the flour, the more cake-like; the coarser, the more rustic and gritty. Rather than hunting for a product that matches local harina de maíz exactly, choosing a fine grind that cooks through easily in a home oven is less likely to fail.

With cornmeal and a salty cheese on hand first, sopa paraguaya becomes much easier to make. Check a fine cornmeal, feta, and a heatproof square pan together, and shopping goes faster.

How to think about cheese substitutes

Queso Paraguay is a white fresh cheese that doesn't melt too much. With "mozzarella only," it stretches but the flavor is weak; with "grated hard cheese only," it turns salty and hard. A home-friendly combination is 180 g mozzarella with 70 g feta, or 200 g shredded pizza cheese with 3 tbsp grated hard cheese.


How to Make It: Don't Burn, Don't Rush, Bake It Moist

The surface of baked sopa paraguaya
It is done when the surface is golden and a skewer in the center comes out free of batter

Sopa paraguaya has no difficult shaping. Most failures come down to three things: burning the onion, adding the flour all at once and getting lumps, and cutting it right out of the oven so it falls apart. Keep to the order of mixing and the resting time, and even a first try is quite reliable.

When the center looks underbaked

Because sopa paraguaya has so much cheese and egg, the center is moist when fresh. But if white batter clings thickly to the skewer, or the center moves like liquid when you shake the pan, it is underbaked. Lower to 170°C and bake 10 minutes more, cooking the center without burning the surface.


Cooking Tips: Failures Cluster Around Flour, Salt, and Moisture

Cross-section of cut sopa paraguaya
A cross-section that isn't too dense, with layers of cheese visible here and there, doesn't get boring
Choose a fine grind of flour

Made with coarse polenta flour, the grains tend to stay hard even if you extend the baking time. Sopa paraguaya is a rustic dish, but if it is too gritty it is hard to eat at most tables. Use finely ground cornmeal first, and once you are used to it, mix in some coarser grind.

Cheese makes layers of saltiness

Made with pizza cheese alone, it looks fine but the flavor is vague. Mixing in a slightly salty white cheese, such as feta, grated hard cheese, or cottage cheese with salt added, lets it play a role close to local queso Paraguay. Don't make it completely uniform; leaving small lumps of cheese gives peaks of flavor when you bite.

Don't caramelize the onion

If you cook it down to a deep amber the way you do for curry, the color and aroma of sopa paraguaya turn heavy. Aim for translucent and sweet, but not brown. About 10 minutes is enough. If it looks about to burn, add 1 tbsp water to lower the temperature at the bottom of the pan.

Don't cut it right out of the oven

The moment it comes out, the inside is soft from steam and melted cheese. Resting 10–15 minutes lets the egg and cheese settle, and the cut comes out clean. When serving guests, work backward from the serving time so you allow for the resting time as well as the baking time.

Adjusting Moisture in a Home Oven

Baked as written in the local recipe, the center can stay heavy in a home oven. The causes are pan depth, the water in the cheese, and the grind of the flour. The target batter is "heavier than pancake batter and softer than potato salad": it falls slowly from a spatula and spreads on its own when poured into the pan.

If the batter is crumbly and doesn't spread in the pan, add 2–4 tbsp milk. If instead it flows like soup, add cornmeal 2 tbsp at a time. After adding flour, don't bake right away; wait 5 minutes for it to absorb. Cornmeal takes up water later than wheat flour, so judging only right after mixing leaves the batter too stiff.


Variations: Use It as a Supporting Role at the Table

Sopa paraguaya and chipa guasu served together
Both are corn dishes, but sopa paraguaya from flour and chipa guasu from fresh corn differ in texture

To serve it as a side for meat, make it a little saltier and use plenty of black pepper. Set beside grilled meat, roast pork, charcoal-grilled chicken, or sausages, it makes a plate more South American than bread would. On a day you make churrasco (in Japanese) at home, serving it with farofa lets you enjoy the corn and flour food cultures of Brazil and Paraguay side by side. With fatty meat add the acidity of vinagrete (in Japanese), and with lean grilled meat add the herbs of chimichurri, and the sweet aroma of sopa paraguaya won't turn heavy.

For breakfast, reduce the salt and increase the butter a little. Add a fried egg, tomato, and salad to a reheated slice and you have an unsweetened cornbread breakfast. Some people pour honey over it, but with the saltiness of the cheese, eat it plain at first. On a day you want to compare corn staples, cachapa and arepas are also candidates for the same breakfast slot.

To add vegetables, add small amounts of chopped bell pepper, scallion, or corn kernels. But if you add a lot of watery vegetables, the center is harder to set. If you add them, keep to 100 g in total. Zucchini and tomato release water, so they are not for a first try.

To lean toward chipa guasu, replace part of the cornmeal with frozen corn: use 250 g cornmeal and 150 g frozen corn, and chop half of the corn lightly. The sweetness is stronger and the texture fluffier, but this is already halfway between sopa paraguaya and chipa guasu. It also connects to dishes like Chile's pastel de choclo (in Japanese), which layers corn over meat, so if you want to keep the names properly separate, chipa guasu is worth making as its own article.

If you cook next

To continue with Paraguayan food, chipa guasu or bori bori would be good next candidates. Both still have little information in Japanese, and you can dig further into the corn, cheese, and soup culture. A strength is that they can be extended with ingredients that a reader of sopa paraguaya can buy right away.


How It's Eaten in Paraguay: Asado, Soup, and the Next Day Cold

Sopa paraguaya on a plate with sides
Take sopa paraguaya a slice at a time on a plate and eat it with meat or soup

At Paraguayan tables, sopa paraguaya is not a sweet to eat one slice of and be done. It is put out with meat, beans, soup, and salad and eaten a bit at a time during the meal. Beside asado it works like bread that takes up meat juices and fat. Beside soup, it is a companion with more flavor than ordinary bread.

At home, these combinations are easy to use first.

Occasion Dish to pair with Role of sopa paraguaya
Weekend meat dish Steak, barbecue, roast chicken Between staple and side. Takes up the meat juices
Soup day Minestrone, bean soup, beef shank stew Stands in for bread. The cheese's saltiness adds satisfaction
South American menu Churrasco, chivito, salteñas Creates a cross-thread of corn culture
Breakfast Fried egg, tomato, salad Used as an unsweetened cornbread
Lunch box Chicken breast, hard-boiled egg, cooked vegetables A staple slot that doesn't fall apart cold

When building a South American menu, bandeja paisa (in Japanese) and locro (in Japanese) make good partners for a meat plate, and ropa vieja (in Japanese) and pabellón criollo for a stew plate. On a day you want acidity, add ceviche (in Japanese); for something closer to a stir-fry, lomo saltado, and the sweetness of the corn refreshes the palate.

It also goes with spicy stews like pozole rojo (in Japanese) and holds its own against the toasty sauce of pepián. On a mole poblano day, cut it smaller so it doesn't get heavy. Just one slice at the edge of the plate sets the base of a South American menu.

Sopa paraguaya firms up as it cools, and the sweetness of the corn settles. The fluffy aroma fresh from the oven is a charm, but the firmer texture the next day is not bad either. For a lunch box, cut it after it has cooled and lightly blot the surface moisture with paper towels. As a party appetizer, it is fun cut small and set out alongside hand-held dishes like doubles (in Japanese) and griot (in Japanese).

A toaster oven suits reheating

Microwaving alone brings the inside back but makes the surface soft. For refrigerated pieces, microwave 20–30 seconds and then toast in a toaster oven for 2–3 minutes to bring back the toasty outside. Thaw frozen pieces naturally and reheat the same way.


Storage and Making Ahead: Cut First, Then Cool

Cut sopa paraguaya pieces arranged on a plate
Cutting before cooling makes it easy to use for breakfast or a lunch box the next day

To store it, cool completely before wrapping. Wrapped while hot, condensation forms and the surface turns sticky. Cut it into 8 pieces and wrap each in plastic wrap, or put them in a container without overlapping.

Storage method Guide Reheating
Room temperature Same day Toaster oven for 2 minutes just before eating
Refrigerated 3 days Microwave 20–30 seconds + toaster oven 2–3 minutes
Frozen 2 weeks Thaw naturally, then bake back in a toaster oven

Because it has a lot of egg and dairy, don't leave it at room temperature in summer. For a lunch box, bake the night before, refrigerate, warm lightly in the morning, then cool completely before packing. Because of the oil in the cheese, the aroma transfers easily in a sealed container. If you store it with other food, wrap it in plastic wrap first and then put it in the container.

When making ahead, the important thing is not to bake it too thick from the start. At 5 cm or more thick, only the center feels heavy after refrigeration. Baked in a 20 cm square pan to a height of about 3–4 cm, it is easy to reheat and holds together when cut. For a double batch for a big party, it is more reliable to divide it between two shallow pans than to use one deep pan.

Always cut before freezing. As a big block it thaws unevenly. Wrapping pieces one at a time makes them easy to use for breakfast. For a lunch box, move it to the refrigerator the night before. In the morning warm just the center lightly. Bake the surface last. The moisture returns and the aroma rises. This alone takes away much of the made-ahead feel.


Frequently Asked Questions

A slice of sopa paraguaya on a plate
Sopa paraguaya can be made reliably in a home oven if you get the baking and the flour right

Can I make it with cornstarch?

No. Cornstarch is the starch of corn and is a different thing from cornmeal or corn flour. It can't build the structure of the batter, and you end up with a different dish set only with egg and milk. Use finely ground cornmeal, corn flour, or a fine-grained corn flour.

Without queso Paraguay, can it still be authentic?

It won't taste exactly the same, but combining mozzarella with a salty cheese gets quite close. Mozzarella alone is weak in flavor and feta alone is too salty. Mixing 3 tbsp grated hard cheese into 200 g shredded pizza cheese is also a realistic method at a supermarket.

Is baking powder traditional?

It isn't required. Many local recipes bake on the power of the eggs alone. But in a home oven the center tends to get heavy, so this article adds just 1 tsp. If you want it more traditional you can leave it out; in that case beat the eggs well and allow 10 minutes more for baking.

Can I eat it sweet?

You can drizzle a little honey or maple syrup. But sopa paraguaya is basically a savory dish. Rather than putting a lot of sugar in from the start, adding a little sweetness to a baked slice and seeing how it goes with the saltiness of the cheese is less likely to fail.

Does it get hard when made ahead?

It firms up when refrigerated, but it doesn't become too hard. Warm it briefly in the microwave and then toast it in a toaster oven, and the moistness of the center and the toasty surface return. If freezing, wrap it one piece at a time and eat within about 2 weeks.


Summary: Cornmeal, Cheese, and Onion Build the Base of the Table

Sopa paraguaya is not a showy dish. It doesn't grill meat grandly or use dozens of spices. But when the cornmeal soaks up the milk, the cheese melts here and there, and the sweetness of the onion runs through everything, the table gains the room for "one more slice."

When reproducing it elsewhere, rather than searching for queso Paraguay, it is more realistic to get three things right: finely ground cornmeal, mozzarella, and a salty cheese. Don't burn the onion, let the flour absorb without hurrying, and rest it a little after baking. Keep to these three and even a first batch bakes up moist.

Fine-ground flour. Two kinds of cheese. Don't brown the onion. Rest the batter 5 minutes. Use a shallow pan. Bake to a deep golden color. Check the center with a skewer. Wait before cutting. Bake it back after refrigerating. Cool it before it goes in a lunch box. Cut it small beside spicy plates. That is all you need to remember.

When you plan your next South American menu, set it beside churrasco (in Japanese), compare it with the snack culture of salteñas, or enjoy the difference between arepas and cornmeal. Sopa paraguaya is a quiet but strong dish that links these South American flour-food cultures.

Sources

Sourcing approach

For the ingredient ratios we checked what Paraguayan local recipes and English-language recipes have in common, and replaced items with flour and cheese that are easy to get. We don't overstate culinary history, and treat it as a dish where Guaraní flour foods met Spanish-derived dairy.