Cheesy Mashed Potato and Ground Beef Casserole

A comforting, family-favorite casserole that layers creamy mashed potatoes, savory ground beef, and plenty of melted cheese. This dish is budget-friendly, filling, and perfect for busy weeknights or cozy weekends.

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Ingredients (Serves 4–6)

For the Mashed Potatoes

2 lb (900 g) potatoes, peeled and cubed
½ cup milk (warm)
3 tbsp butter
Salt and black pepper, to taste

For the Ground Beef Layer

1 lb (450 g) ground beef
1 small onion, finely chopped
2 cloves garlic, minced
1 tsp paprika
½ tsp dried thyme or Italian seasoning
Salt and pepper, to taste

For the Casserole

1½–2 cups shredded cheddar cheese (or mozzarella/cheese blend)
½ cup sour cream or cream cheese (optional, for extra creaminess)
2 tbsp chopped parsley or green onions (optional, for garnish)

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Instructions

Prepare the Potatoes
Boil the potatoes in salted water until fork-tender (15–20 minutes). Drain well, then mash with butter and warm milk. Season with salt and pepper. Set aside.
Cook the Ground Beef
Heat a skillet over medium heat. Add ground beef and cook until browned.
Add onion and garlic, sautéing until soft and fragrant.
Season with paprika, thyme, salt, and pepper. Remove from heat.
Assemble the Casserole
Preheat oven to 375°F (190°C).
Spread the beef mixture evenly in a greased baking dish.
If using, spread sour cream or cream cheese over the beef.
Top with mashed potatoes, smoothing the surface.
Add Cheese & Bake
Sprinkle shredded cheese generously on top.
Bake uncovered for 25–30 minutes, or until bubbly and lightly golden.
Rest & Serve
Let rest for 5 minutes. Garnish with parsley or green onions and serve warm.

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Optional Add-Ins

Corn, peas, or diced carrots for extra vegetables
A dash of Worcestershire sauce in the beef
Crumbled bacon for added richness
Swap cheddar for pepper jack for a spicy kick

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Tips for Success

Use starchy potatoes (Russet or Yukon Gold) for the creamiest mash
Don’t overmix the potatoes—this keeps them fluffy
For a crisp top, broil for 2–3 minutes at the end

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Description

This casserole combines smooth, buttery mashed potatoes with savory, seasoned ground beef and gooey melted cheese. Every bite is warm, hearty, and deeply satisfying—classic comfort food at its best.

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Nutritional Information (Approx. per serving)

Calories: 450–500
Protein: 28 g
Carbohydrates: 35 g
Fat: 25 g

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Conclusion & Recommendation

Cheesy Mashed Potato and Ground Beef Casserole is the kind of dish that brings everyone to the table. Simple ingredients, rich flavors, and guaranteed comfort—perfect for family dinners, potlucks, or make-ahead meals.