Spice up your dinner with this Mexican cornbread casserole. Made with a layer of flavorful cornbread topped with a mixture of black beans, corn, tomatoes, and spices, this casserole is a fiesta of flavors. The cornbread is moist and slightly sweet, providing a perfect contrast to the savory filling. Baked until golden and crispy, this casserole is a crowd-pleasing option for any vegetarian gathering.