Combine tomato paste, black beans, broth, bouillon cubes, paprika, cayenne, onion powder, garlic salt, and pepper in a large saucepan. Bring to a boil, reduce heat, and simmer 15 minutes. Add cilantro, jalapenos, and green onions. Simmer 2 minutes more. Transfer to a food processor and process in batches until smooth. Reheat. Garnish each serving with sour cream and cilantro.
Serves: 8 - 10