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100 Techniques

Technique #45: Brine Dried Beans for Tender, Never Tough, Skins

Transform your bean cookery with this easy salt water method.

This is Technique #45 from our 100 Techniques Every Home Cook Can Master.

Each technique is broken into three sections: why it works, key steps, and recipes that use it. Learn these recipe building blocks and you'll be set up for a lifetime of cooking success.

You might think of brining as what you do to keep lean meat juicy and tender, but brining isn’t just for meat. When you brine dried beans in salted water, they cook up with softer, more tender skins and are less likely to blow out and disintegrate.

The Science Behind the Brine

Why does brining dried beans in salt water (instead of just soaking them in plain water) ward off tough, unpleasant skins? It has to do with how the sodium in salt interacts with the cells of the beans’ skins. The pectin molecules in bean skins are tightly bound by calcium and magnesium ions. As the beans brine in the salt water, the sodium ions replace some of the calcium and magnesium ions in the skins, causing the pectin to weaken. 

Because sodium ions are more weakly charged than calcium and magnesium ions, they allow more water to penetrate the skins, leading to a softer texture. During brining, the sodium ions will filter only partway into the beans, so their greatest effect is on the cells in the outermost part of the beans.

Brine for Better Texture

Softening the skins also makes them less likely to split and burst open as the beans cook, keeping the beans intact. That’s a good thing, since when beans burst and spill their starchy innards, it gives the dish a sticky, unappealing texture. Brined beans also cook faster than unbrined beans and tend to absorb water more evenly, so their finished texture is creamier and they will be more evenly cooked.

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Step by Step: How to Brine Beans

Now that you've learned the science behind brining beans, follow these simple steps so you can do it at home.

Step 1: Rinse and Pick Over

chef is holding and picking through dried beans

Pour beans into colander, pick over beans to remove any debris, and rinse under running water.

Step 2A: For Regular Brining, Submerge Beans for 8 to 24 Hours

chef is pouring rinsed beans into a glass bowl full of brine

Dissolve 3 tablespoons table salt in 4 quarts cold water in container large enough to hold beans and liquid. Add 1 pound dried beans and soak the beans at room temperature for 8 to 24 hours.

Step 2B: For Quick Brining, Heat Brine and Submerge Beans For 1 Hour

a dutch oven full of beans and a warm brine

Combine 3 tablespoons table salt, 4 quarts water, and 1 pound dried beans in a large pot and bring to boil over high heat. Remove pot from heat, cover, and let stand for 1 hour.

Step 3: Drain and Rinse

Chef is pouring brined beans into a colander sitting in a sink.

Drain beans in colander and rinse well.

Step 4: Use or Freeze

chef is putting brined beans into a zipper-lock bag

Brined beans can be sealed in zipper-lock bag and frozen for up to 1 month.

Recipes That Use This Technique

Ready to put your newfound knowledge of brined beans to use? Try it with these recipes.

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Cranberry Beans with Warm Spices

Cranberry beans have a delicate flavor and a creamy texture similar to that of pinto and cannellini beans.

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Texas-Style Pinto Beans

This unfussy barbecue side dish proves that sometimes the simplest way is the best.

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Lentil Salad with Olives, Mint, and Feta

The key to creamy but firm lentils lies in the relationship between legume and salt.

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French Pork and White Bean Casserole (Cassoulet)

In France, this 700-year-old pork-and-bean casserole is a three-day production. Could we turn it into an afternoon’s work?

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Cuban-Style Black Beans and Rice (Moros y Cristianos)

Cooking beans and rice in a single vessel sounds like a straightforward one-pot meal—that is, until both elements cook up mushy and bland.

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