Hearty Fiesta Bean Soup

Ingredients:
1 (15 oz) can chicken broth
1 (16 oz) can fat-free refried beans
1 (15 oz) can black beans, drained and rinsed
1 (15.25 oz) can corn, drained and rinsed
1 (10 oz) can diced tomatoes & chilies
Directions:
Put the broth and refried beans into a soup pot and heat, while whisking together, until the beans have incorporated fully into the broth. Add the rest of the ingredients and heat, while stirring until the soup is boiling.
Serve with cilantro, cheese, sour cream and corn chips.