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Keto Bacon Cheeseburger Casserole - A Cozy, Low-Carb Weeknight Favorite

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

Ingredients
  

  • 8 slices bacon, chopped
  • 1.5 pounds (680 g) ground beef (80/20 or 85/15)
  • 1 small yellow onion, diced (about 1/2 cup)
  • 2 garlic cloves, minced
  • 1 teaspoon kosher salt, plus more to taste
  • 1/2 teaspoon black pepper
  • 1 teaspoon smoked paprika
  • 1 tablespoon sugar-free ketchup
  • 1 tablespoon yellow mustard
  • 1 tablespoon Worcestershire sauce (check for low carb)
  • 4 large eggs
  • 3/4 cup heavy cream
  • 2 cups shredded cheddar cheese, divided
  • 1/4 cup dill pickles, chopped (plus extra for topping)
  • 2 green onions, thinly sliced
  • Optional toppings: sliced tomatoes, shredded lettuce, extra mustard, hot sauce

Method
 

  1. Preheat the oven: Set to 375°F (190°C). Grease a 9x13-inch baking dish.
  2. Crisp the bacon: In a large skillet over medium heat, cook chopped bacon until crispy, 6–8 minutes. Transfer to a paper towel–lined plate. Leave about 2 tablespoons of bacon fat in the pan.
  3. Sauté aromatics: Add diced onion to the skillet and cook until softened, 3–4 minutes. Stir in garlic and cook 30 seconds, until fragrant.
  4. Brown the beef: Add ground beef, breaking it up with a spatula. Season with salt, pepper, and smoked paprika. Cook until browned and no pink remains, 6–8 minutes. If there’s excess grease, drain lightly—but keep a bit for flavor.
  5. Add burger flavors: Stir in ketchup, mustard, and Worcestershire. Fold in half the cooked bacon and the chopped pickles. Taste and adjust seasoning.
  6. Layer in the dish: Spread the beef mixture evenly in the prepared baking dish. Sprinkle 1 cup of cheddar over the top.
  7. Make the custard: In a bowl, whisk eggs and heavy cream until smooth. Season with a pinch of salt and pepper. Pour evenly over the beef and cheese.
  8. Top and bake: Sprinkle the remaining 1 cup of cheddar and the rest of the bacon on top. Bake 18–22 minutes, until the center is set and the edges are bubbling.
  9. Rest and garnish: Let it rest 5–10 minutes for clean slices. Top with green onions and extra pickles. Add optional toppings like shredded lettuce and tomato slices just before serving.