Black Bean and Salsa Soup

"This soup is one of those last minute things I tossed together one night. Its very simple and it takes about 5 minutes to put together."

Make 4 servings 
Ingredients :

• 2 (15 ounce) cans black beans, drained and rinsed
• 1 1/2 cups vegetable broth
• 1 cup chunky salsa
• 1 teaspoon ground cumin
• 4 tablespoons sour cream
• 2 tablespoons thinly sliced green onion

Directions :

1. In an electric food processor or blender, combine beans, broth, salsa, and cumin. Blend until fairly smooth.
2. Heat the bean mixture in a saucepan over medium heat until thoroughly heated.
3. Ladle soup into 4 individual bowls, and top each bowl with 1 tablespoon of the sour cream and 1/2 tablespoon green onion.