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Cheesy Ground Beef & Potato Casserole (One-Pan Dinner!)

Few dishes bring comfort to the table quite like a hearty casserole. This Cheesy Ground Beef & Potato Casserole is the perfect example: layers of tender potatoes, seasoned ground beef, and a blanket of gooey melted cheese, all baked together in one pan. It’s a complete meal that’s filling, family-friendly, and easy to prepare, making it ideal for busy weeknights or cozy weekends. Unlike fussy recipes that require multiple pans and complicated steps, this casserole keeps things simple. Everything comes together in a single pan, which means less mess and less cleanup. With classic flavors everyone loves—savory beef, creamy potatoes, and lots of cheese—this dish is guaranteed to become a staple in your home. One of the best things about this recipe is its versatility. You can keep it classic with just beef, potatoes, and cheese, or customize it with vegetables, spices, or different cheeses to make it your own. Serve it with a crisp salad or some steamed veggies, and you’ve got a balanced, comforting dinner ready to go.
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Prep Time 20 minutes
Cook Time 55 minutes
Total Time 1 hour 15 minutes
Servings: 8 portions
Ingredients Equipment Method Notes

Ingredients
  

Meat
  • 1 ½ lbs Ground beef lean, 85–90%
Vegetables & Aromatics
  • 4 medium Potatoes thinly sliced
  • 1 medium Onion diced
  • 3 Garlic cloves minced
Dairy & Cheese
  • 2 cups Shredded cheddar cheese
  • 1 cup Mozzarella cheese
  • 1 cup Milk
  • ½ cup Sour cream
Pantry Staples & Seasonings
  • 2 tbsp Olive oil or butter
  • 1 tsp Salt to taste
  • ½ tsp Black pepper
  • 1 tsp Paprika sweet or smoked
  • ½ tsp Dried thyme or Italian seasoning
  • 2 tbsp Flour to thicken the sauce
  • ½ cup Beef broth
Garnish (Optional)
  • Fresh parsley or chives chopped

✨ Kitchen Essentials You’ll Love

Quick picks I trust for better results, faster prep, and easier cleanup.

  • 🍳

    Lodge Seasoned Cast Iron Skillet

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  • ⚡

    Instant Pot Duo Plus 9-in-1 Electric

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  • 🔥

    CHEFMAN Digital Air Fryer XL 10L

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Disclosure: As an Amazon Associate, I earn from qualifying purchases at no extra cost to you.

Equipment

  • To make this casserole, you’ll need just a few kitchen basics:
  • Large Oven-Safe Skillet or Baking Dish (9x13 works well)
  • Large Skillet (for browning beef if not using an oven-safe pan)
  • Mixing bowls
  • Sharp knife & cutting board
  • Measuring cups & spoons
  • Wooden spoon or spatula
  • Aluminum Foil (optional, for covering while baking)

Method
 

  1. Here’s how to make this casserole step by step:
Step 1: Prep the Ingredients
  1. Wash and peel potatoes, then slice them thinly (about ⅛-inch thick).
  2. Dice onion and mince garlic.
  3. Grate cheese if not pre-shredded.
Step 2: Cook the Ground Beef
  1. Heat olive oil in a skillet over medium-high heat.
  2. Add ground beef and cook until browned, breaking it apart with a spoon (6–8 minutes).
  3. Drain excess fat if needed.
  4. Stir in diced onion and garlic, cooking until softened (about 3 minutes).
  5. Season with salt, pepper, paprika, and thyme.
Step 3: Make the Creamy Sauce
  1. Sprinkle flour over the beef mixture and stir to coat.
  2. Slowly pour in beef broth, stirring constantly to avoid lumps.
  3. Add milk and sour cream, stirring until a creamy sauce forms.
  4. Simmer for 2–3 minutes until thickened slightly.
Step 4: Layer the Casserole
  1. Grease a baking dish with olive oil or butter.
  2. Arrange half the sliced potatoes on the bottom in an even layer.
  3. Spread half the beef mixture over the potatoes.
  4. Sprinkle with a handful of cheddar and mozzarella.
  5. Repeat layers with remaining potatoes, beef, and cheese.
Step 5: Bake
  1. Cover with foil and bake at 375°F (190°C) for 35 minutes.
  2. Remove foil and bake another 15–20 minutes, until potatoes are tender and cheese is golden bubbly.
Step 6: Rest and Garnish
  1. Let casserole rest for 10 minutes before serving (this helps it set).
  2. Garnish with parsley or chives.

Notes

🧊 Storage & Reheating
Refrigerator: Store leftovers in an airtight container for up to 4 days.
Freezer: Freeze cooled portions wrapped tightly in foil or in freezer-safe containers for up to 2 months.
Reheating: Reheat in the oven at 350°F (175°C) until warmed through, or in the microwave with a splash of broth to keep it moist.
🥄 Variations
Veggie Boost: Add layers of spinach, mushrooms, or bell peppers.
Cheese Swap: Try Monterey Jack, Gruyère, or pepper jack for different flavors.
Spicy Kick: Add diced jalapeños or a sprinkle of cayenne pepper.
Tex-Mex Style: Season beef with taco spices and top with salsa before serving.
Healthier Option: Swap sour cream for Greek yogurt and use light cheese.
Chicken or Turkey Version: Substitute ground beef with ground chicken or turkey for a lighter twist.
❓ 10 FAQs
1. Can I slice potatoes ahead of time?
Yes, but store them in cold water to prevent browning.
2. Do I need to boil potatoes first?
No, they cook fully in the oven when sliced thin.
3. Can I make this casserole gluten-free?
Yes, use gluten-free flour as a thickener.
4. What kind of potatoes are best?
Yukon Gold or Russet potatoes work best—they’re tender yet hold shape.
5. Can I make this in advance?
Yes, assemble the casserole and refrigerate up to 24 hours before baking.
6. Can I skip sour cream?
Yes, use Greek yogurt or extra milk for creaminess.
7. Do I need both cheddar and mozzarella?
No, but the combo gives the best flavor and melt.
8. How do I prevent a watery casserole?
Drain beef well and don’t add too much liquid to the sauce.
9. Can I double this recipe?
Yes, just use a larger baking dish and increase bake time slightly.
10. What sides pair well with this casserole?
A crisp green salad, roasted veggies, or garlic bread.
🏁 Conclusion
This Cheesy Ground Beef & Potato Casserole is everything you want in a comforting, one-pan dinner. It’s hearty, cheesy, and satisfying while still being easy enough for busy weeknights. With layers of creamy potatoes, savory beef, and golden melted cheese, it delivers comfort in every bite.
The best part? It’s versatile. You can customize it with different cheeses, vegetables, or seasonings to make it your own. Serve it fresh out of the oven with a side salad or bread, and watch as it becomes a family favorite you’ll want to make again and again.