Classic Chicken and Rice Casserole

1. Preheat the oven to 350°F (175°C).
2. In a large mixing bowl, combine the cooked chicken, cooked rice, cream of chicken soup, chicken broth, mixed vegetables, garlic powder, onion powder, salt, and pepper.
3. Stir until well combined.
4. Pour the mixture into a greased 9×13-inch casserole dish.
5. Top with shredded cheddar cheese.
6. Bake for 30-35 minutes or until heated through and the cheese is melted.

Beef and Pasta Casserole

1. Preheat the oven to 375°F (190°C).
2. In a skillet, cook ground beef until browned. Drain excess fat.
3. In a large bowl, combine cooked pasta, marinara sauce, ricotta cheese, Italian seasoning, salt, and pepper.
4. Stir in the ground beef.
5. Pour the mixture into a greased 9×13-inch casserole dish.
6. Top with shredded mozzarella cheese.
7. Bake for 30-40 minutes or until bubbly and golden on top.

Vegetarian Black Bean Casserole

1. Preheat the oven to 350°F (175°C).
2. In a large bowl, mix together black beans, corn, cooked quinoa or rice, salsa, cumin, salt, and pepper.
3. Pour the mixture into a greased 9×13-inch casserole dish.
4. Top with shredded cheese.
5. Bake for 25-30 minutes, or until the cheese is melted and the casserole is hot throughout.