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Keto Bacon Cheeseburger Casserole Meal Prep - Easy, Satisfying, and Low-Carb

Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings: 6 servings

Ingredients
  

  • 1.5 pounds (680 g) ground beef (80/20 or 85/15 works best)
  • 6 slices thick-cut bacon, chopped
  • 1 small onion, diced
  • 3 cloves garlic, minced
  • 1 cup dill pickles, chopped (plus extra slices for topping, optional)
  • 1 tablespoon yellow mustard (or Dijon for a sharper kick)
  • 2 tablespoons sugar-free ketchup (or tomato paste plus a pinch of sweetener)
  • 1 teaspoon smoked paprika
  • 1/2 teaspoon ground black pepper
  • 1/2 teaspoon sea salt (adjust to taste; bacon can be salty)
  • 4 large eggs
  • 1/2 cup heavy cream (or full-fat coconut milk for dairy-free)
  • 2 cups shredded cheddar cheese (divided)
  • 2 tablespoons cream cheese, softened (optional for extra creaminess)
  • 2 tablespoons olive oil or avocado oil (if needed)
  • 2 cups riced cauliflower (fresh or frozen), squeezed dry
  • 2 green onions, sliced (for garnish)
  • Red pepper flakes or hot sauce (optional)

Method
 

  1. Preheat and prep: Heat your oven to 375°F (190°C). Lightly grease a 9x13-inch baking dish.
  2. Crisp the bacon: In a large skillet over medium heat, cook the chopped bacon until crisp. Transfer to a paper towel–lined plate. Leave about 1 tablespoon bacon fat in the pan.
  3. Sauté aromatics: Add the diced onion to the skillet. Cook 3–4 minutes until softened. Stir in garlic and cook 30 seconds until fragrant.
  4. Brown the beef: Add ground beef. Break it up and cook until no longer pink, about 6–8 minutes. Drain excess fat if very greasy.
  5. Season the mixture: Stir in mustard, sugar-free ketchup, smoked paprika, pepper, and salt. Fold in chopped pickles and half the cooked bacon. Simmer 2 minutes to blend flavors.
  6. Add cauliflower rice: Mix in riced cauliflower. Cook 2–3 minutes to steam off moisture. Taste and adjust salt or mustard.
  7. Make the custard: In a bowl, whisk eggs, heavy cream, and cream cheese (if using) until smooth. Stir in 1 cup shredded cheddar.
  8. Assemble: Spread the beef mixture evenly in the baking dish. Pour the egg-cheese mixture over the top. Sprinkle with remaining 1 cup cheddar and the rest of the bacon.
  9. Bake: Bake 20–25 minutes, until the center is set and the top is bubbly and golden around the edges.
  10. Garnish and rest: Let it rest 10 minutes. Top with sliced green onions and extra pickle slices if you like.
  11. Portion for meal prep: Cut into 6–8 squares. Cool completely before sealing in containers.