Hearty Black Bean Soup

Directions

1. In a 4 quart pot, over medium heat, cook onion, garlic, cumin and pepper flakes in oil until onion is tender, about 3 minutes. Remove from heat.
2. In food processor, puree 2 cans of beans and their liquid in batches with the chicken broth; add to pot. Stir in remaining beans, salsa and lime juice. Heat mixture to a boil and reduce heat to low. Simmer for 30 minutes. Ladle soup into bowl and top with a dollop of yogurt.