Black Bean Soup Recipe

Name: Black Bean Soup Recipe
Ingredients: 1 pound black beans; 12 cups water; 3 cloves garlic (mashed); ½ cup chopped white onion; 1 scallion (chopped); ½ cup red bell pepper (chopped); ½ cup green pepper (chopped); 3 tablespoons olive oil; Salt and black pepper; ½ teaspoon ground cumin; ½ cup chopped fresh cilantro; ½ teaspoon dried oregano; 1 vegetable or chicken bouillon tablet; ¼ cup tomato puree; 1 ripe plantain (peeled and diced); 1 avocado (peeled and pitted); ½ cup sour cream; Juice of 1 lime; 1 teaspoon ground cumin; Salt and pepper