The chemistry behind softer chickpeas with baking soda

Baking soda is an alkaline substance that helps break down tough calcium ions by replacing them with gentler sodium ions, which in turn weakens the natural pectin structure of chickpeas. The result? More tender peas. To achieve this, simply boil a standard 15-ounce can of chickpeas with about ½ teaspoon of baking soda (and enough water to fully submerge them) for 5 to 40 minutes, depending on your desired level of softness.
If you're worried about baking soda affecting the flavor of your beans, it's wise to set aside the canning liquid. After softening the chickpeas, you can return them to this liquid to help restore their natural taste. With this simple scientific method using regular baking soda, you can skip the hassle of searching for the best hummus at the store. Instead, you can confidently whip up smooth chickpea dishes at home without sacrificing the convenience of canned beans.
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