Why You’ll Love This Cheesy Hamburger Potato Casserole

This Cheesy Hamburger Potato Casserole is the definition of comfort food. Every layer tells a story of rich flavor — from the seasoned ground beef and buttery potatoes to the smooth, cheesy sauce that ties it all together. It’s a dish that satisfies both your hunger and your craving for something warm and nostalgic.

Even better, it’s budget-friendly, easy to prepare, and can feed a crowd with little effort. Whether it’s a chilly evening, a busy weeknight, or a family potluck, this casserole never disappoints.

Ingredients & Their Roles

• 1 lb ground beef — the hearty, flavorful base that gives the casserole its satisfying bite.
• 1 small onion, finely chopped — adds sweetness and depth of flavor to the beef mixture.
• 3 cups thinly sliced potatoes — provide a tender, comforting foundation that soaks up the sauce.
• 2 tablespoons butter — builds richness and helps create the creamy roux for the sauce.
• 2 tablespoons all-purpose flour — thickens the sauce and ensures a smooth, velvety texture.
• 1 1/2 cups milk — adds creaminess to the base; whole milk is best for flavor.
• 1/2 cup sour cream — gives a tangy balance and creamy mouthfeel.
• 1 teaspoon garlic powder — enhances savory notes and rounds out the flavor.
• 1 teaspoon salt and 1/2 teaspoon black pepper — essential for seasoning and depth.
• 2 cups shredded cheddar cheese — melts beautifully to create that gooey, cheesy topping everyone loves.
• 1/2 teaspoon paprika (optional) — adds color and subtle warmth.
• 2 tablespoons chopped parsley — for garnish and a fresh finishing touch.

Step-by-Step Instructions

1. Preheat the oven: Set your oven to 375°F (190°C) and lightly grease a 9×13-inch baking dish.
2. Cook the beef: In a skillet, cook the ground beef and onion over medium heat until browned and crumbly. Drain any excess fat and season with salt, pepper, and garlic powder.
3. Make the cheese sauce: In a saucepan, melt butter over medium heat. Stir in flour and cook for 1 minute. Gradually whisk in milk until smooth and thickened. Remove from heat and stir in sour cream and half the cheddar cheese until melted and creamy.
4. Assemble the casserole: Layer half of the potato slices in the prepared dish. Top with half of the beef mixture and half of the cheese sauce. Repeat layers with remaining ingredients.
5. Add the topping: Sprinkle the remaining cheese over the top and dust with paprika if desired.
6. Bake: Cover the dish with foil and bake for 45 minutes. Remove foil and continue baking for another 15 minutes, until the potatoes are tender and the top is golden and bubbly.
7. Rest and serve: Allow the casserole to rest for about 10 minutes before serving. Garnish with chopped parsley and enjoy warm.

Pro Tips for Perfect Results

• Slice potatoes evenly: Thin, uniform slices ensure they cook evenly and absorb the creamy sauce.
• Use lean beef: Prevents excess grease and keeps the casserole from becoming heavy.
• Try different cheeses: Monterey Jack, mozzarella, or Colby blend well with cheddar for a richer flavor.
• Make ahead: Assemble the casserole up to a day in advance, cover, and refrigerate. Bake when ready to serve.
• Add vegetables: Layer in frozen peas, corn, or green beans for extra color and nutrition.

Serving Suggestions

Serve this casserole as a complete meal, or pair it with one or two sides for a cozy dinner experience:

• Fresh green salad with vinaigrette for contrast.
• Steamed broccoli or roasted carrots for a healthy, colorful side.
• Warm dinner rolls to soak up every drop of cheesy sauce.
• Pickles or coleslaw to add a crisp, tangy balance.

Storage & Reheating

Refrigerate leftovers in an airtight container for up to 3 days. To reheat, cover and bake at 350°F (175°C) for 15–20 minutes, or warm individual portions in the microwave. This casserole also freezes beautifully — wrap tightly and freeze for up to 2 months.