Serving and Storage Tips:

Serve this casserole as a main dish alongside a simple salad or steamed vegetables for a complete meal.
Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. Reheat in the microwave or oven before serving.
For freezing, wrap individual portions tightly in plastic wrap and store them in a freezer-safe container. To reheat, bake at 350°F for 25-30 minutes or until heated through.
Variations:

Vegetarian Option: Swap the ground meat for a plant-based alternative or a mixture of sautéed vegetables like bell peppers, mushrooms, and zucchini for a lighter version.
Cheese Variety: Experiment with different cheeses, such as mozzarella, Gouda, or Monterey Jack, for unique flavors.
Spicy Twist: Add a dash of hot sauce or chopped jalapeños to the meat mixture to spice things up.
Add-ins: Consider adding some cooked bacon crumbles, sautéed spinach, or mushrooms for extra flavor and texture.