I couldn't imagine carne asada or pollo asado without a big pot of frijoles charros on the table!
Add the beans, liquid from the beans and the beer(or broth). Bring to a boil, reduce heat to a simmer. Season with salt and pepper to taste, stir, cover and cook for a good 20 minutes. Taste for salt.
Variations: These beans are also known as Charro Beans and many people like to add hot dogs (or sausage), sliced and ground chorizo to their charro beans. The beer is something my Mom added. I add more than she did! If you don't want to use the beer, just add chicken broth or more bean broth. Chef's choice!