Ground Beef and Mushroom Casserole with Cheesy Potato Topping
A hearty comfort food casserole featuring seasoned ground beef in creamy mushroom gravy topped with fluffy mashed potatoes and melted cheddar cheese. Perfect for busy weeknight dinners or family gatherings when you need a filling, satisfying meal. The combination of savory beef, earthy mushrooms, and rich cheese creates layers of flavor that appeal to all ages. This one-dish meal simplifies cleanup while delivering maximum comfort.
Ingredients
Instructions
- 1
Preheat oven to 350°F
- 2
Cook ground beef in skillet over medium heat until browned and drain excess fat
- 3
Add onion and garlic to skillet and cook until onion is translucent
- 4
Stir in cream of mushroom soup, beef broth, and mushrooms then simmer for 10 minutes
- 5
Transfer mixture to baking dish and spread mashed potatoes over top
- 6
Sprinkle cheddar cheese over mashed potatoes
- 7
Bake for 30 minutes or until cheese is melted and bubbly
Tips
Use leftover mashed potatoes or instant mashed potatoes to save time on this weeknight-friendly casserole.
Drain the ground beef thoroughly to prevent the casserole from becoming greasy during baking.
Let the casserole rest for 5-10 minutes after baking to help the layers set before serving.
Good to Know
Refrigerate leftovers for up to 3 days in covered container
Can be assembled up to 1 day ahead and refrigerated before final baking step
Serve hot directly from baking dish with simple green salad or steamed vegetables
Common Mistakes
Drain ground beef thoroughly to avoid greasy casserole
Do not skip simmering step to avoid watery texture
Substitutions
FAQ
Can I freeze this casserole?
Yes, freeze assembled unbaked casserole for up to 3 months. Thaw overnight in refrigerator before baking, adding 10-15 extra minutes to cooking time.
What if I don't have cream of mushroom soup?
Substitute with cream of celery soup or make a simple white sauce with butter, flour, and milk for similar creamy texture.
How long will leftovers keep?
Store covered in refrigerator for up to 3 days. Reheat individual portions in microwave or cover and reheat in 350°F oven until warmed through.