Easy Big Mac Casserole – Family Favorite!
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This homemade Big Mac casserole is the ultimate comfort food with all the flavors of a classic cheeseburger but in a cheesy, easy-to-make bake. Whether for a busy weeknight dinner or a potluck dish, it’s sure to be a family favorite!
This easy Big Mac tater tot casserole takes all of the iconic flavors of a Big Mac with a side of fries and turns them into a casserole. This simple cheeseburger casserole is packed with seasoned ground beef, gooey cheddar cheese, and crispy tater tots, topped with crispy, golden brown tater tots. This dish is a guaranteed hit!
If you’re ditching the carbs we’ve got you covered. Try our Keto Big Mac Casserole!
Ingredients for Big Mac Casserole
Here’s what you’ll need to make the Big Mac tater tot casserole:
- Tater tots – The crispy topping makes this casserole irresistible!
- Onion – Adds depth of flavor. You can use yellow or white onion.
- Olive oil – Helps sauté the onions. Butter works too.
- Ground beef – Lean ground beef is best, but you can use ground turkey or chicken.
- Condensed golden mushroom soup – Adds creaminess and richness. Substitute with cream of mushroom or cream of cheddar soup if needed.
- Worcestershire sauce – Enhances the umami flavor.
- Ketchup –
- Mustard – Yellow mustard gives the perfect tang.
- Dill pickle relish – Essential for that Big Mac flavor.
- Sharp cheddar cheese – You can use American cheese for a more classic Big Mac taste.
Big Mac Sauce Ingredients
- Mayonnaise – The mayonnaise is the creamy base of the sauce.
- Dill pickle relish – Dill relish is the perfect, tangy addition.
- Yellow mustard – You can use your favorite brand.
- White wine vinegar – In a pinch, regular distilled vinegar can work too.
- Seasonings – You’ll need paprika, onion powder, and garlic powder.
How to Make Big Mac Casserole
Step 1: Prep & Preheat. Preheat your oven to 425°F. Spray a 9×13-inch casserole dish with cooking spray to prevent sticking.
Step 2: Cook the Beef. Heat a large skillet over medium-high heat. Add the chopped onion and cook for 1 minute until slightly softened. Add the ground beef and cook for 5 minutes, breaking it apart as it browns. Drain excess grease.
Step 3: Season the Beef Mixture. Stir in the Worcestershire sauce and continue to cook until the beef is fully cooked. Turn off the heat and stir in golden mushroom soup, ketchup, mustard, pickle relish, and half of the shredded cheddar cheese. Mix until well combined.
Step 4: Assemble the Casserole. Transfer the beef mixture into the prepared 9×13-inch dish. Sprinkle the remaining 4 ounces of cheddar cheese over the beef. Layer tater tots evenly on top, ensuring full coverage. Lightly spray the tater tots with cooking spray to help them crisp up.
Step 5: Bake. Bake in the preheated oven for 30 minutes until the cheese is melted and tater tots are golden brown and crispy.
Step 6: Make the Sauce. While the casserole bakes make the Big Mac sauce. In a small bowl whisk together all of the ingredients and set mixture aside until you are ready to use.
Step 7: Rest & Serve. Let the casserole sit for 10 minutes before serving. This helps it set and makes slicing easier. When ready to serve cut and top with sauce.
Serving Suggestions
This cheesy Big Mac casserole is a meal on its own, but here are some tasty serving ideas:
- Garnish with sesame seeds and shredded lettuce to mimic a real Big Mac.
- Serve with a mixed green salad for balance.
- Pair with roasted cabbage or roasted vegetables for a complete meal.
More Big Mac Recipes
We LOVE all things Big Mac! Check out some of our other easy recipes:
How to Store & Reheat Big Mac Casserole
Storing Leftovers
- Allow the casserole to cool completely before storing.
- Transfer leftovers to an airtight container and refrigerate for up to 4 days.
- For longer storage, wrap the casserole tightly in plastic wrap and aluminum foil and freeze for up to 3 months.
Reheating Instructions
- From Frozen: Thaw overnight in the refrigerator before reheating using one of the methods above.
- Oven (Best Method): Preheat the oven to 350°F, cover the casserole with foil, and bake for 15-20 minutes until heated through.
- Air Fryer: Place portions on a piece of aluminum foil and place in an air fryer at 350°F for 5-7 minutes to keep the tater tots crispy.
- Microwave: For quick reheating, microwave individual servings on high for 1-2 minutes, though the tots may soften.
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Big Mac Casserole with Tater Tots
Ingredients
Big Mac Casserole
- 1 large Onion, chopped
- 1 tablespoon Olive oil
- 2 pounds Ground beef
- 2 teaspoons Worcestershire sauce
- 3 tablespoons Ketchup
- 3 tablespoons Mustard
- 3 tablespoons Dill pickle relish
- 2 10.5 ounce cans Condensed golden mushroom soup
- 8 ounces Shredded sharp Cheddar cheese
- 32 ounces Tater Tots
Big Mac Sauce
- 1/2 cup Mayonnaise
- 4 tablespoon Dill pickle relish
- 2 tablespoon Yellow mustard
- 1 teaspoon White wine vinegar
- 1 teaspoon Paprika
- 1 teaspoon Onion powder
- 1 teaspoon Garlic powder
Instructions
- Preheat the oven to 425 degrees F. Spray a 9×13-inch casserole dish with cooking spray.
- Heat skillet over medium-high heat. Add chopped onion and cook for 1 minute.
- Add the ground beef to the onions and continue to cook for 5 minutes. Remove from heat and drain the excess grease before adding it back to the pan.
- Add the Worcestershire sauce and continue to cook until ground beef is cooked through.
- Turn off the heat and add the golden mushroom soup, ketchup, mustard, relish, and 4 ounces of cheddar cheese to the ground beef and stir to combine.
- Transfer the ground beef to the prepared casserole dish and top with the remaining 4 ounces of cheddar cheese.
- Layer the tater tots on top of the cheese, covering the entire top of the casserole. Lightly spray the tater tots with cooking spray.
- Bake in the preheated oven for 30 minutes.
- While the casserole bakes make the sauce. In a small bowl whisk together all of the ingredients until well combined.
- When it has finished baking the cheese is melted, and the tater tots are crisp, remove from the oven and let sit for 10 minutes. Then cut and top each portion with Big Mac sauce before serving.
Nutrition
