Keto Big Mac Casserole is a rich, savory dish layered with seasoned ground beef, melted cheese, crisp lettuce, pickles, and a creamy, tangy keto-friendly sauce. Moreover, indulge in all the iconic flavors, while keeping it low-carb and high-protein.flavors of a Big Mac without the carbs.Perfect for a family dinner or meal prep, it’s low-carb, high-protein, and bursting with flavor in every bite.
Ingredients (Serves 4–6)
For the casserole:
- 1 lb (450g) ground beef
- 1 small onion, finely chopped
- 2 cloves garlic, minced
- 1 tsp paprika
- ½ tsp salt (adjust to taste)
- ½ tsp black pepper
- 1 tsp mustard
- 1 cup shredded cheddar cheese
- ½ cup shredded mozzarella cheese
- ¼ cup chopped pickles
- 1 cup chopped lettuce
For the Big Mac-style sauce:
- ¼ cup mayonnaise
- 1 tbsp sugar-free ketchup
- 1 tbsp mustard
- 1 tsp dill pickle relish
- ½ tsp garlic powder
- ½ tsp onion powder
Instructions
- Preheat Oven:
Preheat your oven to 375°F (190°C). - Cook the Beef:
In a large skillet over medium heat, sauté onions and garlic until fragrant. Add the ground beef, paprika, salt, pepper, and mustard. Cook until beef is browned and cooked through. Drain excess fat if needed. - Prepare the Sauce:
In a small bowl, whisk together mayonnaise, sugar-free ketchup, mustard, pickle relish, garlic powder, and onion powder until smooth. - Assemble the Casserole:
In a baking dish, first spread a layer of cooked beef. Next, sprinkle with half the cheddar and mozzarella. Then, drizzle some of the Big Mac sauce over the top. If desired, repeat the layers. Finally, finish with a final layer of cheese. - Bake:
Bake in the preheated oven for 15–20 minutes, or until cheese is melted and bubbly. - Add Fresh Toppings:
Remove from oven, and top with chopped lettuce and pickles. Drizzle remaining sauce before serving.
Tips & Variations:
- Add sesame seeds on top before baking for a true “burger bun” feel.
- For extra flavor, mix in a little Worcestershire sauce with the beef.
- Serve with keto-friendly sides like cauliflower mash or zucchini fries.
