Potato and Ground Beef Casserole is the kind of meal that brings comfort, simplicity, and reliability to the dinner table. With tender sliced potatoes, seasoned ground beef, a creamy sauce, and a golden cheese topping, this casserole delivers hearty flavor using everyday ingredients. It works just as well for busy weeknights as it does for feeding a hungry family on the weekend.
I first learned to make a version of this casserole during a season when groceries needed to stretch further. Potatoes, ground beef, and pantry staples were always available, so this dish quickly became a fallback dinner. Over time, it turned into more than a backup plan. The aroma filling the kitchen while it baked, the bubbling cheese, and the way everyone went back for seconds made it feel like a meal worth repeating. Even now, it’s one of those recipes that feels familiar, filling, and dependable.
Choosing the Best Ingredients for the Casserole
Potatoes That Bake Evenly
Potatoes are the foundation of this casserole, so choosing the right ones matters. Russet potatoes work especially well because they soften beautifully while baking and absorb the creamy sauce. Yukon Gold potatoes are another good option if you prefer a slightly buttery texture. Slicing the potatoes thin and evenly ensures they cook through without becoming mushy.
Keeping the slices uniform also helps the casserole bake evenly from edge to center. If slices are too thick, they may stay firm even after the full baking time. Thin slices allow the sauce and seasoning to coat every layer for better flavor.
Ground Beef and Seasoning Basics
Ground beef adds richness and protein to the dish. A standard blend like 80/20 provides good flavor, but draining excess fat keeps the casserole from becoming greasy. Cooking the beef with diced onion builds a savory base that flavors the entire dish.
Simple seasoning works best here. Salt and black pepper bring out the natural flavors, while optional garlic powder or paprika adds warmth without overpowering the dish. Because the casserole bakes for a long time, gentle seasoning develops nicely as it cooks.
Building a Creamy, Balanced Sauce
Soup and Milk Combination
The sauce is what ties the layers together. Cream of mushroom soup provides body and depth, while milk thins it just enough to coat the potatoes evenly. Whisking the two together before assembling helps prevent thick clumps and ensures smooth coverage.
This mixture slowly seeps into the potato layers as the casserole bakes. As a result, the potatoes become tender while absorbing flavor from the beef and onions. The sauce also keeps everything moist without turning soupy.
Adjusting Consistency and Flavor
If you prefer a slightly looser casserole, adding an extra splash of milk can help. For a thicker, richer result, use less milk and spread the sauce carefully. Either approach works as long as the potatoes are well coated.
Seasoning the sauce lightly with pepper or paprika helps distribute flavor throughout the dish. Because cheese adds saltiness later, it’s best not to over-salt at this stage.

Equipment
- Skillet
- Casserole dish
- Mixing Bowl
Ingredients
- 1 lb ground beef
- 5 medium potatoes, peeled and thinly sliced
- 1 small onion, diced
- 2 cups shredded cheddar cheese
- 1 can cream of mushroom soup (10.5 oz)
- 1/2 cup milk
- 2 tbsp butter
- salt and black pepper, to taste
Instructions
- Preheat oven to 375°F (190°C) and grease a casserole dish.
- Cook ground beef with diced onion in a skillet until browned. Season and drain excess fat.
- Whisk cream of mushroom soup and milk until smooth.
- Layer half the potatoes in the dish, then half the beef, half the soup mixture, and half the cheese.
- Repeat layers and finish with cheese on top.
- Dot with butter, cover with foil, and bake for 45 minutes.
- Uncover and bake 15–20 minutes more until golden and potatoes are tender.
- Let rest 5 minutes before serving.
Notes
Nutrition
Layering for Even Cooking and Flavor
Creating Balanced Layers
Layering is essential for a successful potato and ground beef casserole. Starting with a layer of sliced potatoes allows them to absorb moisture from the sauce below. Adding beef and sauce next ensures that each bite contains a mix of textures and flavors.
Repeating the layers helps distribute ingredients evenly throughout the dish. Finishing with cheese on top creates a golden crust that seals in moisture while adding visual appeal.
Cheese Placement Matters
Cheddar cheese works well because it melts smoothly and adds a sharp contrast to the creamy sauce. Sprinkling cheese between layers adds richness, while saving some for the top creates that familiar bubbly finish.
Using freshly shredded cheese instead of pre-shredded varieties improves melting and texture. It also blends more naturally with the other ingredients during baking.
Baking the Casserole to Perfection
Covered Baking for Tender Potatoes
Covering the casserole with foil during the first part of baking traps steam, which helps the potatoes soften evenly. Baking at 375°F allows the layers to cook through without scorching the cheese too early.
This stage is crucial for texture. If uncovered too soon, the top may brown before the potatoes are tender. Patience here pays off with consistent results.
Uncovering for a Golden Finish
Removing the foil during the final baking stage allows excess moisture to evaporate and the cheese to turn golden. Butter dotted on top melts into the cheese, adding richness and helping with browning.
Watching the casserole closely during this stage ensures the top doesn’t overcook. Once the cheese is bubbly and lightly golden, it’s ready to come out of the oven.
Resting and Serving the Casserole
Why Resting Matters
Letting the casserole rest for a few minutes before serving allows the layers to set. This short rest makes slicing easier and prevents the dish from falling apart on the plate.
During this time, the sauce thickens slightly, which improves texture. The flavors also settle, making each bite more balanced.
Serving Suggestions
Potato and ground beef casserole pairs well with simple sides. A green salad, steamed vegetables, or roasted broccoli adds freshness and contrast. Because the casserole is filling, lighter sides help round out the meal without overwhelming it.
Leftovers reheat well, making this dish practical for meal planning and busy schedules.
Customizing the Casserole
Easy Add-Ins
This casserole adapts easily to what you have on hand. Adding sliced mushrooms, bell peppers, or peas introduces more vegetables without changing the core recipe. These additions blend well with the creamy sauce and beef.
Spices can also be adjusted. Paprika adds warmth, while garlic powder deepens flavor. Small changes allow the dish to feel new without complicating preparation.
Making It Work for Different Preferences
Ground turkey can replace ground beef for a lighter option. The cooking method stays the same, though seasoning may need a slight boost since turkey is milder.
For extra richness, a mix of cheeses can be used. Combining cheddar with mozzarella or Colby Jack adds stretch and depth while keeping the familiar flavor profile.
Storing and Reheating
Refrigeration Tips
Leftover potato and ground beef casserole keeps well in the refrigerator for up to three days. Storing it in an airtight container helps maintain moisture and flavor.
Because the potatoes continue to absorb sauce, leftovers often taste just as good the next day.
Reheating for Best Texture
Reheating in the oven at a moderate temperature preserves texture better than microwaving. Covering loosely with foil prevents drying while warming through.
If using a microwave, reheating individual portions with a cover helps retain moisture and prevents uneven heating.
FAQ
1. Can I assemble this casserole ahead of time?
Yes, you can assemble it up to a day in advance and refrigerate until ready to bake.
2. Do I need to cook the potatoes first?
No, thinly sliced potatoes cook fully in the oven as long as the casserole is covered initially.
3. Can I freeze this casserole?
Yes, it freezes well. Thaw overnight in the refrigerator before baking or reheating.
4. What if my potatoes are still firm after baking?
Cover and bake for an additional 10–15 minutes until tender.
5. Can I use a different soup?
Cream of chicken or cream of celery soup can be used for a slightly different flavor.
Conclusion
Potato and Ground Beef Casserole is a dependable, comforting dish built on simple ingredients and straightforward steps. Its layered structure ensures even cooking, while the creamy sauce and melted cheese create a satisfying finish. Whether you make it for a family dinner, meal prep, or leftovers, this casserole delivers warmth, flavor, and practicality every time.





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