Golden Ecuadorian locro de queso potato soup topped with avocado, white cheese and cilantro in a rustic bowl

Photo: Kevinmero / Wikimedia Commons · CC BY-SA 4.0

Instant Pot Family Dinners

Instant Pot Ecuadorian-Style Locro de Queso with Avocado

Starchy potatoes create their own silky body in this mild Ecuadorian cheese soup, finished after pressure with queso fresco, milk, avocado and cilantro.

Prep20 min
Cook20 min
Total50 min
Cost$2.10

Directions

  1. Sweat the aromatics

    Select Sauté Normal on a 6-quart electric pressure cooker. Melt butter and cook onion 5 minutes until soft. Add garlic, cumin and annatto for 30 seconds without browning.

  2. Deglaze and layer

    Pour in 1 cup broth and scrape until the heating plate is completely smooth. Add remaining broth, potatoes and 1 teaspoon salt. Stir once and keep the contents below the maximum-fill line; do not add milk or cheese before pressure.

  3. Pressure-cook

    Lock the lid and cook on High Pressure for 7 minutes; allow about 12 minutes to reach pressure. Use a controlled quick release in short pulses, pausing immediately if starchy liquid sputters. Open only after the float valve drops.

  4. Create the creamy body

    Mash roughly one-third of the potatoes against the pot wall, leaving the rest chunky. Select Sauté Low and stir often across the base for 2 to 3 minutes.

  5. Add dairy safely

    Stir in milk and 6 ounces queso fresco. Heat gently, stirring, until the soup reaches 165°F and the cheese softens; do not boil hard. Add up to the remaining 1/4 teaspoon salt after tasting the cheese.

  6. Finish the bowls

    Ladle into warm bowls and top with the remaining queso fresco, avocado and cilantro. Serve lime, jalapeño and ají sauce at the table so the shared soup remains mild.

Why this works

Why it worksA full four cups of thin broth sit against a deglazed base, while burn-prone milk and cheese wait until pressure has fallen.
Why it worksYukon Gold potatoes both hold tender chunks and release enough starch when mashed to thicken the soup without flour.
Why it worksCool avocado, fresh cilantro and lime balance the rich potato-and-cheese base and mirror the visible finished presentation.

Swaps & notes

Easy swaps

  • Use russet potatoes for an even thicker soup, mashing less because they release more starch.
  • Replace queso fresco with farmer cheese or a mild feta; reduce added salt if the substitute is briny.
  • Use lactose-free whole milk and a suitable mild cheese if needed; plant milk changes the traditional dairy flavor.

Cook notes

  • Total time includes about 12 minutes to pressurize, the 7-minute cycle, controlled release and post-pressure finishing.
  • Follow the exact model manual for minimum liquid, maximum fill and venting; an 8-quart cooker may require more thin liquid.
  • Potatoes are starchy, so vent in brief pulses and stop if foam or liquid emerges from the valve.
  • The optional chile is intentionally served at the table rather than cooked into the family pot.

Storage

Refrigerate the soup without avocado in shallow containers for up to 4 days; freeze up to 2 months before adding dairy for the smoothest texture. Reheat gently to 165°F, stirring often and thinning with broth. Add fresh avocado only when serving.

Questions

Why is dairy added after pressure cooking?

Milk and cheese can scorch on the hot base or separate under pressure. Adding them during the gentle finishing stage gives a smoother soup.

Can I make locro de queso ahead?

Yes. Prepare through the dairy finish, cool promptly and refrigerate. Reheat slowly and add avocado, cilantro and lime just before serving.

What if the soup is thinner than I want?

Mash more potatoes and simmer on Sauté Low for a few minutes, stirring across the base. Avoid adding raw flour directly to the pot.

Instant Pot Ecuadorian-Style Locro de Queso with Avocado
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1. Sweat the aromaticsSelect Sauté Normal on a 6-quart electric pressure cooker. Melt butter and cook onion 5 minutes until soft. Add garlic, cumin and annatto for 30 seconds without browning.
2. Deglaze and layerPour in 1 cup broth and scrape until the heating plate is completely smooth. Add remaining broth, potatoes and 1 teaspoon salt. Stir once and keep the contents below the maximum-fill line; do not add milk or cheese before pressure.
3. Pressure-cookLock the lid and cook on High Pressure for 7 minutes; allow about 12 minutes to reach pressure. Use a controlled quick release in short pulses, pausing immediately if starchy liquid sputters. Open only after the float valve drops.
4. Create the creamy bodyMash roughly one-third of the potatoes against the pot wall, leaving the rest chunky. Select Sauté Low and stir often across the base for 2 to 3 minutes.
5. Add dairy safelyStir in milk and 6 ounces queso fresco. Heat gently, stirring, until the soup reaches 165°F and the cheese softens; do not boil hard. Add up to the remaining 1/4 teaspoon salt after tasting the cheese.
6. Finish the bowlsLadle into warm bowls and top with the remaining queso fresco, avocado and cilantro. Serve lime, jalapeño and ají sauce at the table so the shared soup remains mild.