[header] How to cook kidney beans [title] Soak dried kidney beans in cold water for 8-12 hours. [step] Dried kidney beans need to be soaked in water before being boiled and cooked. For the best results, soak beans in a pot full of cool water overnight at room temperature. 
[substeps] It's a good idea to sort through the beans before hand and rinse them off, to remove any dust, sediment, or tiny pebbles that might have gotten mixed in. Rinsing them in a colander is usually fine.