Allow the casserole to cool for a few minutes before serving.
Variations & Tips
For a bit of spice, consider adding a teaspoon of chili powder or a diced jalapeƱo to the ground beef while cooking. If you prefer a different cheese, Monterey Jack or mozzarella can be great substitutes for cheddar. For a lighter version, use ground turkey instead of beef and replace the cream of mushroom soup with a low-fat version. You can also add other vegetables like zucchini or mushrooms to increase the nutritional value and flavor.