Add broth, tomatoes, ketchup, Worcestershire, and chili powder. Mix in the beans, and bring to a boil. Once boiling, lower heat to a simmer for about 10 minutes.
While soup is simmering, cut off cilantro stems and coarsely chop. Add cilantro to soup and simmer an additional 5 minutes, until thickened. Stir in the lime juice and season with salt and pepper.
Serve warm and garnish with toppings like fresh cilantro, limes, sour cream, cheese and avocados.
This hearty, flavorful black bean soup is simple and perfect to make during soup season. It's on the table in under an hour!