This Slow-Cooker Southwestern Bean Soup is a hearty and flavorful dish that is perfect for chilly days. Packed with black beans, corn, tomatoes, and spices, this soup is a delicious blend of Southwestern flavors. The slow-cooker method allows the flavors to meld together and the beans to become tender and creamy. Serve this soup with a dollop of sour cream, a sprinkle of cheese, and some tortilla chips for a complete and satisfying meal.