Ingredient:

• 2 (15 ounce) cans black beans, partially drained
• 1 (15 ounce) can diced tomatoes with green chile peppers, drained
• 2 (15 ounce) cans chicken broth, divided
• 1 ½ teaspoons ground cumin
• 1 teaspoon salt
• 1 teaspoon ground black pepper
• ¼ teaspoon cayenne pepper
• 1 (15 ounce) can black beans, partially drained
• 3 cups hot cooked rice
• 6 tablespoons sour cream, for topping