This contest-winning black bean soup is a hearty and flavorful dish that will warm you up on a cold day. Made with black beans, onions, garlic, and spices, this soup is packed with protein and fiber. It is also vegetarian and vegan-friendly, making it a great option for those following a plant-based diet. Serve it with a dollop of sour cream and a sprinkle of fresh cilantro for a delicious and satisfying meal.