Pinto Bean Soup
Melt the butter in a large saucepan over medium heat. Add the onions, green bell peppers, tomatoes, and garlic. Cover the pan with a lid and simmer for 4 minutes.
Add the cilantro, red chili powder, cayenne pepper, and tomato paste. Stir the ingredients together and simmer for 3 minutes.
Add the pinto beans, broth, and salt and pepper to taste. Bring to a boil and cook vigorously for 4 minutes, or until the beans are heated through.
* Prep time: 15 minutes; cooking time: 15 minutes
Garnish each serving with a dollop of sour cream.