This sweet potato and black bean casserole is a hearty and flavorful vegetarian dish that is perfect for a quick and easy dinner. The sweet potatoes are roasted until tender and then combined with black beans, corn, and spices to create a delicious filling. The casserole is then topped with a mixture of breadcrumbs and cheese, and baked until golden and crispy. The combination of sweet potatoes, black beans, and spices creates a flavorful and satisfying dish that is packed with nutrients. Serve it with a side of salad or rice for a complete and balanced meal.