Big Mac Cheeseburger Casserole

If you’re longing for that iconic fast-food taste but want it baked into a simple, no-fuss dish, this casserole delivers perfectly—imagine the flavors of a classic burger combo transformed into a cozy, one-pan meal. Juicy ground beef, gooey cheese, and crispy tater tots blend effortlessly for a hearty, comforting bite every time.

If the classic drive-thru flavor combo is what you crave, this easy casserole is sure to satisfy. And if casseroles are your go-to comfort food, don’t miss my Ultimate Chicken Casserole or Chicken and Broccoli Casserole—just as cozy and crowd favorites.

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🍔 Big Mac-Inspired Casserole

Big Mac Sauce Ingredients

Ingredient	Amount
Mayonnaise	1 cup
Ketchup	¼ cup
Sweet relish	2 tablespoons
White vinegar	1 teaspoon
Onion powder	¼ teaspoon

Casserole Ingredients

Ingredient	Amount & Notes
Ground beef	2 pounds
White onion	1 cup, diced
Garlic powder	1 tablespoon
Salt	1 teaspoon
Black pepper	½ teaspoon
Shredded cheddar	1 cup
American cheese	12 slices
Tater tots	32 oz bag
Iceberg lettuce	Shredded, for topping
Dill pickles	Diced, for topping
White onion	Finely diced, for topping

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🔪 Directions

1. Preheat your oven to 350°F (175°C).
2. Prepare the sauce: whisk all sauce ingredients in a small bowl until smooth and creamy.
3. Cook the filling: In an oven-safe skillet, brown ground beef and onions over medium-high heat. Drain any excess fat.
4. Add garlic powder, salt, and pepper, then stir in the prepared sauce. Mix in shredded cheddar until fully combined.
5. If your skillet can’t go in the oven, transfer the mixture to a baking dish.
6. Arrange the American cheese slices over the beef mixture, then top evenly with tater tots.
7. Bake uncovered for 40–45 minutes, until the tater tots turn golden and crisp.
8. Once out of the oven, garnish with shredded lettuce, diced pickles, and chopped onions. Serve warm and enjoy!