This soup is affectionately known as "belly button soup" in Sinaloa. Because you use your thumb to make an indentation in the corn masa dumplings that cook in, and thicken, the pinto bean soup base. It is incredibly irresistible. Recipe: https://patijinich.com/pinto-bean-soup-with-masa-and-queso-fresco-dumplings/ | Pati Jinich