Black bean soup prepared in many parts of Latin America is a very simple dish made with a few ingredients. Sopa negra is a traditional Costa Rican soup with variations throughout Latin America. It is made with the combination of black beans, onions, bell peppers, hot peppers, cilantro, garlic, and Chicken broth. It is a black bean soup. Sops negra is made of cooking liquid from black beans and always includes hard boiled eggs. It is a very healthy meal to include in your diet.