Cheesy Ground Beef and Potato Casserole

• Effort Level: Minimal chopping; mostly stove-top and oven assembly.

• Best for: Busy families, meal prep, post-holiday leftovers.

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Ingredients

For the casserole:

• 1 lb (450 g) lean ground beef (85/15)

• 1 medium yellow onion, diced

• 3 cloves garlic, minced

• 4 medium Russet or Yukon Gold potatoes (about 2 lbs / 900 g), peeled and sliced into 1/8-inch rounds

• 1 can (10.5 oz / 298 g) condensed cream of mushroom soup

• ½ cup (120 ml) whole milk

• 1 cup (120 g) shredded sharp cheddar cheese, divided

• ½ cup (60 g) shredded mozzarella cheese

• 1 teaspoon salt

• ½ teaspoon black pepper

• 1 teaspoon paprika (smoked or sweet)

• ½ teaspoon dried thyme (optional)

For garnish (optional):

• 2 tablespoons fresh parsley, chopped

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Instructions

1. Preheat and prepare

Preheat your oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish with non-stick spray or butter.

2. Cook the ground beef mixture

In a large skillet over medium-high heat (level 6-7 of 10 intensity), add the ground beef and diced onion. Cook for 6–8 minutes, breaking the meat into small crumbles with a wooden spoon, until the beef is no longer pink and the onion softens.

Intensity note: High heat sizzling – stand nearby but not frantic. Use a splatter guard if needed.

Drain excess fat if necessary. Add minced garlic, salt, pepper, paprika, and thyme. Cook for 1 minute until fragrant. Remove from heat and set aside.

3. Mix the creamy sauce

In a medium bowl, whisk together the condensed cream of mushroom soup and milk until smooth. Stir in ½ cup of the shredded cheddar cheese and all of the mozzarella. Set aside.

4. Layer the casserole

Arrange half of the sliced potato rounds in an even layer at the bottom of the prepared baking dish. Slightly overlap them for best texture.

Spoon half of the ground beef mixture over the potatoes, spreading evenly. Pour half of the creamy soup mixture over the beef.

Repeat with the remaining potatoes, then the remaining beef, and finally the remaining soup mixture. Gently shake the dish to let the liquid settle between layers.

5. Top with cheese

Sprinkle the remaining ½ cup of sharp cheddar cheese evenly over the top.

6. Bake

Cover the baking dish with aluminum foil (to prevent over-browning) and bake for 35 minutes. Then remove the foil and bake uncovered for another 20 minutes, until the potatoes are fork-tender, the edges are bubbly, and the cheese is golden brown.

Test doneness: Insert a knife into the center – it should glide through potatoes with no resistance.

7. Rest and serve

Let the casserole rest for 10 minutes before serving. This allows the sauce to thicken. Garnish with fresh parsley if desired.

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Nutrition Information (per serving – 1/6 of casserole)

Note: Nutrition is estimated using lean ground beef, whole milk, and standard cheddar. Variations (e.g., low-fat cheese or plant-based milk) will alter values.

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Recipe Tips & Variations

• Make it ahead: Assemble completely (without baking), cover, and refrigerate up to 24 hours. Add 10–15 minutes to bake time.

• Add veggies: Sauté 1 cup of mushrooms or zucchini with the beef, or layer in frozen peas/corn.

• Lower carb: Swap half the potatoes for sliced cauliflower.

• Spice it up: Add ½ teaspoon crushed red pepper or a diced jalapeño with the garlic.

• Dairy-free: Use vegan cream of mushroom soup, unsweetened almond milk, and dairy-free shredded cheese.

• Storage: Refrigerate in an airtight container for up to 4 days. Freeze baked casserole for up to 3 months.

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Why This Recipe Works

The low Cost Intensity (under $12 total for most households) and Easy rating make this a go-to for beginner cooks. The potato base becomes creamy as it absorbs the mushroom-milk sauce, while two layers of cheese create a crispy, bubbly crust. By pre-cooking the ground beef, you remove excess grease, so the casserole never feels heavy.