How to Remove Beany Flavor in Beans (Degas Guide)
To reduce beany flavor, sort and rinse dry beans, soak them for 8–12 hours in plenty of water, then drain and rinse again. Cook in fresh water at a full boil before lowering to a steady simmer. This method can soften strong flavors, but it does not remove every bean’s natural taste. For red kidney beans, boil vigorously for at least 30 minutes.
A bean joke: if your pot smells like beans, it may be because it is full of beans. Still, a strong earthy or raw aroma can make dinner less appealing. I teach home cooks to treat flavor, texture, and food safety as connected parts of the same cooking process.
“Degassing” is often used to describe soaking beans and discarding the water. That can help reduce some beany notes, but it is not a magic switch, and it does not remove every compound that may cause digestive gas. Here’s a clear method for improving flavor while cooking dried beans safely.
Choose and Prepare Beans and Cookware
Good preparation starts before the pot goes on the stove. Sorting removes debris and damaged beans, while rinsing clears dust from the surface. A roomy, sturdy pot helps beans heat more evenly and gives water space to bubble without spilling over.
I use a large stainless-steel or enamel pot with a heavy base. These materials are nonreactive, and a heavy base can help reduce hot spots during a long simmer. If you cook on induction, check that the pot has a magnetic base. Oven use is not needed for this method.
Sort, rinse, and measure
Spread the dry beans on a clean tray or work surface. Pick out small stones, bits of plant matter, and beans that look shriveled or damaged. Rinse the beans under potable running water, then transfer them to a bowl or pot for soaking.
Measure at least three parts water for each part dry beans by volume. For example, cover 1 cup of dry beans with at least 3 cups of water. Beans expand as they absorb water, so use a vessel large enough to hold them with room to spare.
| Situation | What to do | Why it helps |
|---|---|---|
| Dry beans have dust or debris | Sort, then rinse | Removes surface material |
| Soaking overnight | Use at least 3 parts water to 1 part beans | Gives expanding beans enough water |
| Room is warmer than 90°F (32°C) | Soak in the refrigerator | Keeps the soaking beans cool |
| Choosing a pot | Use a heavy-base stainless-steel or enamel pot | Supports steady heating |
| Using induction | Check for a magnetic base | Induction needs compatible cookware |
Next step: Once the beans are sorted and rinsed, soak them in the measured water. Keep the pot large enough that beans and cooking water will fill no more than about two-thirds of its capacity.
Soak, Boil, and Simmer to Reduce Beany Flavor
Soaking, draining, and cooking in fresh water is the main flavor-reduction sequence. It can lessen some strong, raw notes, but beans vary by type, age, and storage, so results differ. The key is to combine soaking with thorough cooking, not to rely on soaking alone.
Soak and drain
Soak the beans for 8–12 hours. If the room is warmer than 90°F (32°C), place them in the refrigerator while they soak. After soaking, pour off the water and rinse the beans again. Do not use the soak water for cooking if your goal is to reduce beany flavor.
This is a useful distinction: “degas” is a kitchen shorthand, not a guarantee that every flavor or gas-related compound has been removed. Soaking and draining change the cooking water and may reduce some compounds, but they do not make all beans taste neutral.
Bring beans to a full boil
Put the drained beans in the pot and cover them with fresh water by several centimeters. Leave ample headroom; beans and water should occupy no more than about two-thirds of the pot. Bring the water to a full, rolling boil, where bubbles rise steadily across the surface.
At sea level, water boils at about 212°F (100°C). At higher elevations, it boils at a lower temperature, so beans may take longer to cook. Keep the heat high enough to maintain the required boil, but lower it if the pot threatens to boil over.
Red kidney beans need special care. They can contain phytohaemagglutinin, a natural toxin that may remain at unsafe levels if the beans are undercooked. Bring them to a vigorous boil and keep them boiling for at least 30 minutes, then simmer until fully tender. Do not taste them before they are fully cooked. Soaking or slow cooking alone is not a substitute for this boiling step.
Simmer until evenly tender
After the boiling stage, reduce the heat to a steady simmer. The surface should show gentle, regular bubbling, not a hard boil that breaks beans apart or pushes water over the rim. Stir now and then, and add hot water if the beans are no longer covered.
Cook until the beans are uniformly tender. Test several beans from different parts of the pot; they should be soft through the center, without a firm or chalky core. Cooking time varies with bean type, age, and elevation, so tenderness is a better guide than a fixed timer.
A common kitchen problem is to judge by aroma alone. In my teaching, I encourage cooks to check the full process: Was the soak water discarded? Did the beans boil properly? Are they tender all the way through? If the finished beans still taste strongly raw, continue cooking them in fresh-tasting water until they are fully tender.
Next step: Drain the beans if the recipe calls for it, or keep them in their cooking liquid if you want a softer, saucier result. Either way, wait until they soften before adding acidic ingredients.
Cool, Store, and Clean Cookware
Safe handling continues after cooking. Cooked beans should not sit at room temperature for long, especially in a warm kitchen. Portioning them into shallow containers helps them cool more quickly than leaving a large, deep pot of beans on the counter.
Transfer leftovers to shallow containers and refrigerate within 2 hours. If the room or outdoor temperature is above 90°F (32°C), refrigerate within 1 hour. Use refrigerated cooked beans within 3–4 days. For longer storage, freeze them in suitable containers.
Let the pot cool before washing it. Then clean it with warm water and detergent, rinse well, and dry it thoroughly. If food is stuck, soak the cooled pot in warm, soapy water before scrubbing. Avoid placing a very hot pot under cold water, as sudden temperature change can stress cookware.
Next step: Label stored beans with the cooking date. A quick date note makes it easier to use them within the recommended storage time.
Season and Serve for Best Flavor
Seasoning can round out bean flavor, but it cannot replace proper soaking and cooking. Add tomatoes, vinegar, citrus, or other acidic ingredients after the beans soften, since acidity can substantially delay softening. Then adjust salt and other seasonings to suit the dish.
For example, if you are making tomato beans, cook the beans until tender first, then stir in the tomatoes and finish the recipe. If you are making a soup, cook the beans in fresh water until soft before adding vinegar or lemon juice near the end. This keeps the beans from staying firm because acid went in too early.
If a batch tastes earthy but is fully cooked, use it in a dish with complementary flavors rather than trying to erase its character. Garlic, herbs, spices, and a flavorful broth can balance the taste. Add them after the beans are tender if they include acidic ingredients.
| What you notice | Likely issue | Best response |
|---|---|---|
| Strong raw or earthy taste | Beans may need more cooking | Simmer until uniformly tender |
| Beans remain firm after a long cook | Acid may have been added early, or beans may be old | Continue cooking in fresh water; add acid later next time |
| Pot boils over | Too little headroom or heat is too high | Lower heat and use a larger pot |
| Kidney beans were only slow-cooked | Required boil step may have been skipped | Do not rely on that batch as safely prepared; cook kidney beans with a vigorous boil first |
Next step: Taste only when beans are fully cooked, then season. For red kidney beans, never use a taste test to decide whether the initial boil was long enough.
A Reliable Bean-Cooking Routine
The method is simple: sort and rinse, soak for 8–12 hours, discard the soak water, then cook in fresh water. Use a full rolling boil, including at least 30 minutes for red kidney beans, and finish at a steady simmer until every bean is tender.
I find that this sequence solves many common problems at once: raw flavor, uneven texture, and boilovers. Use a roomy pot, keep the water level in check, and add acidic ingredients only after the beans soften. For leftovers, cool and refrigerate them promptly.
Frequently Asked Questions
These quick answers cover the most common questions about soaking, cooking, and flavor. The central rule is consistent: discard the soak water, cook beans in fresh water, and cook them thoroughly. For red kidney beans, include the full vigorous-boil step before simmering.
Does soaking remove beany flavor?
It can reduce some strong, raw notes, especially when you drain and rinse the beans afterward. It will not remove every natural bean flavor.
How long should I soak dried beans?
Soak them for 8–12 hours in at least three parts water to one part dry beans by volume. Refrigerate if the room is warmer than 90°F (32°C).
Should I cook beans in their soaking water?
No, not if your goal is flavor reduction. Drain the soaking water, rinse the beans, and cook them in fresh water.
Does soaking remove gas from beans?
Soaking and draining may reduce some compounds that contribute to digestive gas, but they do not guarantee that beans will cause no gas.
How long should red kidney beans boil?
Keep them at a vigorous boil for at least 30 minutes, then simmer until fully tender. Do not use a slow cooker alone for kidney beans.
When can I add tomatoes or vinegar?
Add acidic ingredients after the beans soften. Adding them too early can substantially delay softening.
Why are my beans still hard?
They may need more cooking, or acidic ingredients may have been added too soon. Keep simmering in fresh water until the beans are soft through the center.
How soon should I refrigerate cooked beans?
Refrigerate them within 2 hours, or within 1 hour if the temperature is above 90°F (32°C). Use them within 3–4 days.
(This article was written by one of our staff writers, Daniel M. Whitaker. Visit our Meet the Team page.)
