Moving Mountains Health - Dr Cyndi and Dave Reed

As a Southerner raised on beans and cornbread -- yum-- I agree. Proper preparation of beans, nuts, seeds does a body good 😉

Soaking beans overnight is one of those things your grandmother did without thinking about it.

She was not following a food science paper. She just knew that soaked beans cooked faster, sat better in the stomach, and tasted better when cooked with spices. It was knowledge passed down through observation over generations, not through study.

The research has since caught up.

Beans contain a family of compounds called oligosaccharides the main reason they are known for causing digestive discomfort. These compounds sit in the outer layer of the bean and do not break down easily during digestion. Soaking draws them out into the water. When you drain and rinse before cooking, most of that goes away with it.

Soaking also begins to hydrate the bean before heat is applied, which means cooking time drops considerably. Sometimes by a third to half, depending on the type of bean. That is meaningful when you are cooking something that would otherwise need two hours on the stove.

Texture improves because the bean absorbs water evenly during the soak. Beans cooked without soaking often cook unevenly soft on the outside while the center is still dense. A soaked bean cooks through consistently.

And flavor does improve. A pre-soaked bean absorbs spices and aromatics more readily. The cumin, garlic, and bay leaf you add actually reach the inside of the bean rather than sitting on the surface.

Soak in cold water overnight.
Drain and rinse before cooking.
Do not cook them in the soaking water.

That is all. Grandma was right.