Classic Tuna Casserole: Combine canned tuna, cooked pasta, cream of mushroom soup, peas, and cheese. Top with breadcrumbs and bake until bubbly.
Chicken and Rice Casserole: Mix cooked chicken, rice, cream of chicken soup, and vegetables (like broccoli or peas). Add cheese on top and bake until golden.
Vegetarian Enchilada Casserole: Layer corn tortillas with black beans, sautéed vegetables, enchilada sauce, and cheese. Repeat layers and bake until heated through.
Spaghetti Squash Casserole: Replace pasta with cooked spaghetti squash. Mix with marinara sauce, cooked ground meat (or tofu for a vegetarian option), and cheese. Bake until bubbly.
Breakfast Casserole: Layer bread cubes, cooked breakfast sausage or bacon, shredded cheese, and beaten eggs mixed with milk. Let it sit overnight and bake in the morning for a hearty breakfast.
Shepherd's Pie: Cook ground meat with vegetables (like carrots, peas, and onions) in gravy. Top with mashed potatoes and bake until golden brown.
Broccoli Cheese Casserole: Combine cooked broccoli florets with a creamy cheese sauce (using cheddar or your favorite cheese). Top with breadcrumbs and bake until cheese is bubbly.
Beef and Potato Casserole: Layer sliced potatoes with browned ground beef, onions, and cheese. Add a creamy sauce (like a mixture of cream of mushroom soup and milk) and bake until potatoes are tender.