Craving the iconic Big Mac flavors without the bun? This casserole transforms the classic fast-food favorite into a hearty, oven-baked dish that's perfect for family dinners or potlucks. Layers of seasoned ground beef, toasted "bun" pieces, melty cheese, and a tangy special sauce come together to recreate the Big Mac experience in casserole form.
Full Recipe:
Ingredients
For the Beef Layer:
2 lbs ground beef (80/20 for authentic flavor)
1 medium onion, finely diced (about 1 cup)
3 cloves garlic, minced
2 tbsp Worcestershire sauce
1 tbsp yellow mustard
1 tsp salt
½ tsp black pepper
1 tsp garlic powder
1 tsp onion powder
For the
6 hamburger buns, torn into bite-sized pieces (stale works best)
2 tbsp butter, melted
1 tsp sesame seeds
½ tsp garlic powder
For the Special Sauce:
1 cup mayonnaise (full-fat recommended)
¼ cup ketchup
2 tbsp sweet pickle relish
1 tbsp yellow mustard
1 tbsp white vinegar
1 tsp sugar
1 tsp paprika
½ tsp garlic powder
½ tsp onion powder
For the Casserole Assembly:
2 cups shredded cheddar cheese
1 cup shredded lettuce
½ cup dill pickles, chopped
¼ cup diced onion
8 slices American cheese
Prepare the Beef Layer:
In a large skillet over medium-high heat, cook the ground beef, breaking it up as it browns.
Add the diced onion and minced garlic; cook until the beef is fully browned and the onions are translucent.
Drain excess fat, then stir in Worcestershire sauce, mustard, salt, pepper, garlic powder, and onion powder.
Simmer for 5 minutes to meld flavors.
Prepare the "Middle Bun" Layer:
Preheat oven to 350°F (175°C).
In a bowl, toss the torn hamburger buns with melted butter, sesame seeds, and garlic powder.
Spread the mixture on a baking sheet and toast in the oven for about 5 minutes until lightly golden.
Make the Special Sauce:
In a bowl, combine mayonnaise, ketchup, pickle relish, mustard, vinegar, sugar, paprika, garlic powder, and onion powder.
Mix until smooth and set aside.
Assemble the Casserole:
Grease a 9×13 inch baking dish.
Layer half of the beef mixture at the bottom.
Place 4 slices of American cheese over the beef.
Sprinkle half of the chopped pickles and diced onions on top.
Drizzle about ⅓ of the special sauce over the toppings.
Add the toasted bun pieces evenly over the sauce.
Drizzle another ⅓ of the special sauce over the buns.
Top with the remaining beef mixture and 4 slices of American cheese.
Sprinkle shredded cheddar cheese over the top.
Bake uncovered for 20 minutes, until the cheese is melted and bubbly.
Add Fresh Toppings:
After baking, remove from oven and let sit for a few minutes.
Top with shredded lettuce, remaining pickles, and diced onions.
Drizzle with the remaining special sauce before serving.
Calories: Approximately 500 kcal
Protein: 30g
Fat: 35g
Carbohydrates: 25g
Fiber: 2g
Sugar: 6g