This Mexican black bean and corn stew is a delicious and satisfying option for fall. It's made with black beans, sweet corn, bell peppers, onions, and tomatoes, and seasoned with spices like cumin, chili powder, and oregano. The stew is simmered until the flavors have melded together and the vegetables are tender. Serve it with a dollop of sour cream, a sprinkle of fresh cilantro, and a squeeze of lime for added freshness.