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Casserole dish of Big Mac Casserole topped with pickles, lettuce, tomatoes and onions.
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5 from 1 vote

Big Mac Casserole

If you like the classic hamburger, you'll love this Big Mac casserole! This fun low-carb, family-friendly dinner tastes just like the iconic burger but without the bun!
Prep Time30 minutes
Cook Time15 minutes
Total Time45 minutes
Course: Main Course
Cuisine: American
Keyword: Big Mac Casserole
Servings: 8 servings
Calories: 425kcal
Author: Erica Walker

Equipment

  • 1 Casserole dish

Ingredients

  • 1 pound frozen diced hash browns
  • 2 tablespoons oil
  • 1/2 cup finely diced white onion
  • 1 ½ pounds lean ground beef
  • 1 tablespoon Worcestershire sauce
  • salt and black pepper (to taste)
  • 2 cups shredded cheddar cheese (divided)

Big Mac Sauce:

  • 1/2 cup mayonnaise
  • 1/4 cup ketchup
  • 2 tablespoons sweet pickle relish
  • 2 teaspoons yellow mustard
  • 1 teaspoon white vinegar
  • 1/2 teaspoon paprika
  • 1/2 teaspoon onion powder
  • 1/4 teaspoon fine sea salt

Toppings:

  • 2-3 cups shredded iceberg lettuce
  • 1/2 cup dill pickle chips
  • 1/2 cup diced tomato
  • 1/4 cup finely diced white onion (or dehydrated onion mixture, see notes above)

Instructions

  • Preheat oven to 400℉.
    In a large skillet, prepare diced hash browns according to package directions. Remove from pan and set aside.
    Skillet with cooked diced hash browns and wooden spoon on the side.
  • In the same pan that you cooked the hash browns, heat oil over medium heat. Add onions and ground beef and cook until beef is cooked through and onions are soft. Season with Worcestershire sauce, salt, and pepper.
    Skillet with ground beef and wooden spoon on the side.
  • Add the diced hash browns back to the pan with the beef and stir until combined. Remove from heat and add 1 cup of shredded cheddar cheese. Stir until cheese is melted.
    Skillet with ground beef, hash brown potatoes and cheddar cheese.
  • Spray a 9x13 baking dish with cooking spray. Spread beef/hash brown mixture evenly over the bottom of the pan.
    Sprinkle remaining cheddar cheese over the top. Cover with foil and bake for 30 minutes.
    Casserole dish with ground beef, diced hash browns and cheese. Topped with shredded cheddar cheese.
  • While casserole is baking, prepare the Big Mac sauce by stirring all the sauce ingredients together until smooth and well combined. Set aside.
    Small bowl of special Big Mac Sauce and spatula on the side.
  • Remove casserole from oven and allow to cool, uncovered for 3-5 minutes.
    Cooked Big Mac Casserole in a dish removing foil.
  • Top with lettuce, pickles, tomatoes, white onion, and Big Mac Sauce. Serve immediately.
    Casserole dish of Big Mac Casserole topped with special sauce, pickles, lettuce, tomatoes and onions.

Video

Nutrition

Calories: 425kcal | Carbohydrates: 17g | Protein: 27g | Fat: 28g | Saturated Fat: 10g | Polyunsaturated Fat: 8g | Monounsaturated Fat: 8g | Trans Fat: 0.3g | Cholesterol: 87mg | Sodium: 664mg | Potassium: 605mg | Fiber: 2g | Sugar: 4g | Vitamin A: 690IU | Vitamin C: 8mg | Calcium: 235mg | Iron: 3mg