[header] How to make pinto beans [title] Rinse and sort through the beans. [step] Pour the beans into a colander and rinse them with running water. Remove any debris that you spot before transferring the beans to a large pot or bowl [substeps] You only need to rinse the beans for 30 to 60 seconds. 
The main purpose of this rinse is to stir up and loosen any major pieces of debris. Debris usually appears in the form of small stones.