Instant Pot Cuban Black Bean Soup, Made from Dried Beans

Instant Pot Cuban black bean soup is a hearty, gently spiced soup of tender black beans, onion, bell pepper, garlic, cumin, and oregano, finished with a little vinegar for brightness. This Cuban-style version starts with dried beans and cooks them right in the pressure cooker, so there is no overnight soak and no separate pot to manage. Cuban home cooks make black bean dishes in many ways; this one is savory, brothy, and easy to customize at the table.

Ingredients

1 pound dried black beans (454 g), picked over and rinsed
1 tablespoon olive oil (15 ml)
1 medium yellow onion, finely diced (about 150 g)
1 medium green bell pepper, finely diced (about 150 g)
2 celery stalks, finely diced (about 80 g)
5 garlic cloves, minced (about 15 g)
2 teaspoons ground cumin (about 4 g)
1 teaspoon dried oregano (about 1 g)
1/2 teaspoon smoked paprika (about 1 g)
2 dried bay leaves
6 cups low-sodium vegetable broth or chicken broth (1.42 L)
1 teaspoon fine salt (6 g), plus more to taste
1/2 teaspoon ground black pepper (about 1 g)
1 tablespoon red wine vinegar (15 ml), plus more to taste
2 tablespoons chopped fresh cilantro (about 8 g), optional garnish

Instructions

Prepare the beans and vegetables. Spread the beans on a tray or plate and remove any small stones, damaged beans, or shriveled pieces. Rinse them under cool water and drain. Dice the onion, bell pepper, and celery into small pieces so they soften evenly, and mince the garlic. Dried beans vary in age and size, so sorting and rinsing are worthwhile even when the package looks clean.
Build the flavor in the pot. Set a 6-quart or larger Instant Pot to Sauté on normal. Add the olive oil, onion, bell pepper, and celery. Cook for about 5 minutes, stirring occasionally, until the onion is translucent and the vegetables have softened but not browned deeply. Stir in the garlic, cumin, oregano, and smoked paprika; cook for 30 seconds, just until fragrant. If the spices begin to stick, add a splash of broth and scrape the base with a wooden spoon.
Add the beans and broth. Press Cancel. Pour in a little of the broth and scrape the bottom of the insert thoroughly to loosen any browned bits; this helps prevent a burn warning. Add the rinsed beans, remaining broth, bay leaves, salt, and black pepper. Stir once to distribute the beans. Check that the contents stay below the cooker’s half-full mark, which is the prudent limit for pressure-cooking foods that expand or foam. Do not add the vinegar yet; acidic ingredients can slow the softening of dried beans.
Pressure-cook. Lock the lid and set the steam valve to Sealing. Select Pressure Cook or Manual on High for 38 minutes. Allow about 15 minutes for the pot to come to pressure, though the exact time depends on the cooker and the temperature of the ingredients. When the cooking cycle ends, leave the valve sealed for a 20-minute natural release. Then carefully move the valve to Venting to release any remaining pressure, keeping your hands and face away from the steam. Wait until the float valve drops before opening the lid.
Check and finish the soup. Remove the bay leaves. Stir the beans and test a few from different parts of the pot; they should be tender all the way through, with no firm or chalky center. If they are still underdone, lock the lid and cook on High for another 5 minutes, followed by a 10-minute natural release. Bean age can make a noticeable difference, so this short adjustment is more reliable than assuming every batch softens identically.
Adjust the texture and seasoning. For a thicker, creamier soup, ladle about 1 cup (240 ml) of beans and broth into a bowl and mash them with a fork, or use an immersion blender for a few brief pulses directly in the pot. Leave plenty of whole beans for texture. Stir the mashed beans back in, then add the red wine vinegar. Taste before adding more salt; broth and beans can vary in saltiness. If the soup is thicker than you like, stir in hot water or broth a little at a time.
Serve. Ladle into bowls and finish with chopped cilantro if desired. Offer extra vinegar, black pepper, or a splash of olive oil at the table so each person can adjust their bowl. The soup will thicken as it stands, so keep a little warm broth or water nearby if you are serving it over rice or holding it for dinner.

Tips

Use fresh-enough dried beans. Very old beans may remain firm even after a long pressure cook. If your beans have been stored for years or have an uncertain age, plan on the extra 5-minute cycle, and add more time in short increments if needed. Do not use the pressure-cooker timer as the only doneness test; taste a bean.
Scrape the insert before sealing. Onion or spice residue stuck to the bottom can trigger a burn notice. Deglaze with broth, scrape carefully, and make sure no thick layer of vegetables or spices is trapped beneath the beans.
Keep acidic ingredients for the end. Vinegar gives the finished soup its lively edge, but adding it before the beans soften can interfere with cooking. Add it after pressure-cooking, taste, and increase it gradually rather than pouring in extra all at once.
Choose broth to suit your table. Vegetable broth keeps the soup vegetarian; chicken broth gives it a fuller savory note. If your broth is salted, begin with less added salt and adjust only after the beans are cooked. Water works too, but you may want to be more generous with the final seasoning.

Serving Suggestions

Serve the soup in a bowl on its own for a substantial lunch, or spoon it over hot white rice for a classic, filling meal. A bowl of rice also catches the seasoned broth and makes the beans easier to portion for a family-style dinner. Add sliced avocado, chopped cilantro, lime wedges, or finely diced raw onion at the table; these are optional fresh contrasts, not required parts of the pot. For a simple side, offer warm crusty bread, cornbread, or fried plantains, plus a crisp green salad dressed with citrus or vinegar.

If you are serving several people, keep the soup and rice separate until plating so the rice does not absorb all the broth while it sits. Set out vinegar and hot sauce for guests who like a sharper or spicier bowl. The soup is flavorful without a garnish, so keep the accompaniments simple and let the cumin, oregano, vegetables, and beans remain the focus.

Variations

Make it vegetarian or vegan: Use vegetable broth, which is already the default option, and check that any garnish or side dish fits your needs. For a deeper savory taste without meat, add one teaspoon of soy sauce after cooking, taste, and adjust salt carefully; it changes the flavor slightly but pairs well with the beans.

Use a different pepper: Red bell pepper works in place of green and makes the soup a little sweeter. If you enjoy heat, add one finely chopped jalapeño with the onion and bell pepper, removing the seeds for a milder result. For a more traditional, less smoky profile, omit the smoked paprika; regular sweet paprika can stand in, but the soup will lose its hint of smoke.

Make it smoother or chunkier: Mash more beans for a thick, creamy texture, or leave every bean whole for a brothy soup. You can also blend a cup of soup in a countertop blender, but let it cool slightly, work in small batches, and vent the lid carefully because hot liquid can expand. A few pulses with an immersion blender are simpler and leave better control over the texture.

Start with canned beans: For a quicker variation, use four 15-ounce cans (about 425 g each) of drained and rinsed black beans. Reduce broth to 4 cups (950 ml), pressure-cook on High for 5 minutes, and allow a 10-minute natural release so the flavors meld. Since canned beans are already cooked, this version is less creamy and has a shorter simmering flavor; mash some beans at the end to thicken it.

Storage and Reheating

Cool leftovers promptly and refrigerate them within 2 hours of cooking in shallow, covered containers. The soup keeps for 3 to 4 days in the refrigerator. It thickens as the beans absorb liquid, so store a little extra broth separately if you want to loosen servings later. For longer storage, freeze portions in airtight, freezer-safe containers for up to 3 months, leaving some headspace for expansion. Thaw overnight in the refrigerator for the most even reheating, or reheat from frozen over low heat with a splash of water or broth.

Reheat only the amount you plan to eat, either in a saucepan over medium-low heat or in the microwave in a covered, microwave-safe bowl. Stir occasionally and add liquid a tablespoon or two at a time until the soup reaches your preferred consistency. Heat leftovers to 165°F (74°C), checking with a food thermometer, and bring the soup to a steady simmer on the stovetop before serving. Avoid repeatedly cooling and reheating the entire batch; portioning makes it easier to chill and warm only what you need.

Frequently Asked Questions

Do I need to soak the black beans first?
No. This recipe is designed for unsoaked dried beans, which cook under pressure for 38 minutes and then rest through a 20-minute natural release. Soaking changes the cooking time and can make the beans softer, but it is not necessary here. If you choose to soak them anyway, drain and rinse them, then begin checking for tenderness after a shorter pressure cook rather than relying on the unsoaked timing.

Why are my beans still hard after pressure-cooking?
Beans that are old or have been stored in warm, dry conditions can take longer to soften. The age and mineral content of the beans, as well as the altitude and cooker, can affect the result. Add 1/2 cup (120 ml) of hot water or broth if the pot looks low, reseal, and cook for another 5 minutes on High with a 10-minute natural release. Keep acidic ingredients such as vinegar out until the beans are tender.

Can I use canned black beans instead?
Yes. Use the canned-bean variation above: drain and rinse four cans, reduce the broth to 4 cups (950 ml), and pressure-cook for 5 minutes with a 10-minute natural release. That short cycle warms the beans and lets them take on the seasoning; it is not needed to cook them from scratch. Mash a portion at the end if you prefer a thicker soup.

How can I make the soup thicker without blending it?
Use the back of a spoon or a potato masher to crush some beans against the side of the pot, then stir them through the broth. Let the soup stand uncovered for a few minutes after cooking, which also allows it to thicken naturally. If it becomes too dense, loosen it with hot broth or water. Avoid adding flour or cornstarch unless you specifically want a less bean-forward texture.

Can I make this soup in a smaller Instant Pot?
A 6-quart or larger cooker is the best fit for this batch because beans expand and the cooker needs room for liquid and steam. Do not fill a pressure cooker more than halfway with dried beans and their cooking liquid. In a smaller model, halve every ingredient and maintain the half-full limit; keep the same pressure-cook time, since cutting the batch does not necessarily halve the time needed to soften the beans.

What should I do if the soup tastes flat?
First check the salt, since low-sodium broth and dried beans can need a final adjustment. Then add vinegar a teaspoon at a time, stirring and tasting after each addition; a little acidity often makes the cumin and bean flavor clearer. Fresh cilantro, black pepper, or a few drops of hot sauce can also sharpen a bowl. Avoid adding all of these at once, so you can keep the balance you like.

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