If you are craving the indulgent flavor of a classic cheeseburger but want to keep things low on carbs, this Low-Carb Bacon Cheeseburger Casserole Recipe is an absolute game-changer. It combines all the best elements of a cheeseburger—juicy seasoned beef, crispy bacon, gooey melted cheese, and that perfect blend of condiments—into one hearty, comforting casserole that’s easy to whip up and perfect for any meal. It’s the kind of dish that satisfies your cravings without derailing your low-carb lifestyle, and once you try it, you’ll wonder how you ever lived without it.

Ingredients You’ll Need
The beauty of this Low-Carb Bacon Cheeseburger Casserole Recipe lies in its simplicity. Each ingredient plays a crucial role in layering flavor, texture, and richness, while keeping things keto-friendly and delicious.
- 1 pound ground beef: This is the savory foundation of the casserole, providing rich meaty flavor and satisfying protein.
- 6 slices cooked bacon, crumbled: Bacon adds a smoky crunch that perfectly contrasts the tender beef.
- 1 small onion, diced: Onions bring a subtle sweetness and depth that balance the savory meats.
- 2 cloves garlic, minced: Garlic infuses the dish with a warm, aromatic punch.
- 1 cup shredded cheddar cheese: Sharp cheddar provides that classic cheeseburger tang and creamy melt.
- 1 cup shredded mozzarella cheese: Mozzarella adds gentle stretchiness and a mild flavor that complements cheddar.
- 4 large eggs: Eggs bind all the ingredients together for a custardy, filling texture.
- Sugar-free ketchup, mustard, and mayonnaise: These condiments create a flavorful sauce that perfectly mimics your favorite burger toppings without extra carbs.
How to Make Low-Carb Bacon Cheeseburger Casserole Recipe
Step 1: Preheat and Prepare Your Baking Dish
Start by preheating your oven to 350°F (175°C). Grease a 9×13 inch baking dish thoroughly to prevent sticking and to ensure your casserole comes out beautifully clean and ready to be sliced.
Step 2: Brown the Ground Beef
Place your skillet over medium heat and add the ground beef. Cook until browned through, breaking it up as it cooks. Once done, drain off any excess fat to keep the casserole from becoming greasy but preserve that juicy meat flavor.
Step 3: Sauté Onions and Garlic
To the skillet with the beef, add the diced onion and minced garlic. Cook until the onions become translucent and soften, letting their sweetness mellow and blend with the beef for a balanced taste.
Step 4: Season the Meat Mixture
Add your seasonings—salt, pepper, paprika, oregano—and stir everything together for about a minute. These spices work together to amplify the classic burger flavors and give the casserole that comforting familiarity.
Step 5: Mix the Sauce and Combine
In a small bowl, blend sugar-free ketchup, mustard, and mayonnaise until smooth. Pour this tangy, creamy mixture into your skillet and combine it well with the meat and onions, adding that unmistakable burger sauce goodness to every bite.
Step 6: Layer Meat and Bacon in the Baking Dish
Spread your flavorful meat mixture evenly across the bottom of the prepared baking dish. Then sprinkle the crumbled cooked bacon over the top to add bursts of smoky, crunchy texture.
Step 7: Add the Egg Layer
Whisk the eggs in a separate bowl until fully combined, then pour them evenly over the meat and bacon. This egg layer acts as a rich binder that will hold the casserole together as it bakes into a luscious, sliceable dish.
Step 8: Top with Cheese
Generously sprinkle both cheddar and mozzarella cheese across the top. This melty cheese combination ensures a beautiful golden crust with ooey-gooey cheese that melts into every forkful.
Step 9: Bake Until Bubbly
Pop the casserole into your preheated oven and bake for 25 to 30 minutes. You’ll know it’s ready when the cheese is melted, bubbly, and slightly golden brown around the edges.
Step 10: Cool and Slice
Allow the casserole to cool for a few minutes before slicing into squares. This resting time helps everything set nicely so your portions hold their shape perfectly.
How to Serve Low-Carb Bacon Cheeseburger Casserole Recipe
Garnishes
Topping your Low-Carb Bacon Cheeseburger Casserole Recipe with fresh garnishes can elevate the flavor while adding a pop of color. Chopped green onions, sliced jalapeños for a subtle kick, or even a sprinkle of fresh parsley add brightness and freshness to each bite.
Side Dishes
This casserole is hearty enough to stand on its own, but pairing it with low-carb sides like a crisp garden salad, steamed green beans, or roasted cauliflower can round out your meal with extra nutrients and variety without adding carbs.
Creative Ways to Present
For a fun twist, serve this casserole in individual ramekins for a fancy, personalized touch. You can also sprinkle additional crispy bacon and extra cheese on top right before serving for an irresistible presentation that looks as good as it tastes.
Make Ahead and Storage
Storing Leftovers
Once cooled, store any leftovers in an airtight container in the refrigerator. The Low-Carb Bacon Cheeseburger Casserole Recipe stays delicious for up to 3 days, making it an excellent option for easy lunches or quick dinners throughout the week.
Freezing
If you want to make this casserole ahead of time or save some for later, it freezes beautifully. Wrap it tightly with foil or plastic wrap and place it in a freezer-safe container. It can be stored for up to 2 months without losing much of its flavor or texture.
Reheating
To reheat, thaw overnight in the fridge if frozen, then warm in the oven at 350°F (175°C) until heated through and the cheese is bubbly again. Avoid microwaving if possible, as the oven will keep the texture intact and prevent sogginess.
FAQs
Can I use turkey or chicken instead of ground beef?
Absolutely! Ground turkey or chicken can be substituted for ground beef if you prefer a leaner meat option, but keep in mind it may be a bit less rich. Adjust seasonings as needed to maintain that bold cheeseburger flavor.
Is this recipe suitable for keto diets?
Yes, this Low-Carb Bacon Cheeseburger Casserole Recipe is specifically designed to be low in carbohydrates, making it an excellent choice for keto and other low-carb lifestyles without sacrificing flavor.
Can I add vegetables to this casserole?
Definitely! Low-carb veggies like chopped bell peppers, mushrooms, or spinach can be stirred into the meat mixture before baking to add nutrients and even more flavor complexity.
What if I don’t have sugar-free ketchup?
You can use regular ketchup, but it will increase the carb count. Alternatively, look for no-sugar-added or low-sugar ketchup brands that fit your dietary goals.
How can I make this recipe dairy-free?
Replacing the cheddar and mozzarella with dairy-free cheese alternatives works well. Also, verify your mayonnaise and other condiments are dairy-free to keep it completely suitable for that diet.
Final Thoughts
This Low-Carb Bacon Cheeseburger Casserole Recipe is one of those feel-good dishes that strikes the perfect balance between keto-friendly and downright delicious comfort food. Rich, cheesy, and brimming with bacon and beef flavor, it’s a winner any day of the week. Give it a try—you might just find your new favorite go-to meal that keeps both your cravings and your carb count in check.
Print
Low-Carb Bacon Cheeseburger Casserole Recipe
- Prep Time: 20 minutes
- Cook Time: 30 minutes
- Total Time: 50 minutes
- Yield: Serves 8
- Category: Casserole
- Method: Baking
- Cuisine: American
- Diet: Low Carb
Description
This Low-Carb Bacon Cheeseburger Casserole is a hearty, flavorful dish combining the classic cheeseburger taste with a nutritious, low-carb twist. Featuring ground beef, smoky bacon, and a luscious blend of cheddar and mozzarella cheeses, this casserole is perfect for a satisfying meal that’s simple to prepare and bake.
Ingredients
Meat and Protein
- 1 pound ground beef
- 6 slices cooked bacon, crumbled
- 4 large eggs
Vegetables and Aromatics
- 1 small onion, diced
- 2 cloves garlic, minced
Cheese
- 1 cup shredded cheddar cheese
- 1 cup shredded mozzarella cheese
Sauces and Condiments
- Sugar-free ketchup, mustard, and mayonnaise for sauce (quantities to taste, approximately 2 tablespoons each)
Seasonings
- Salt
- Pepper
- Paprika
- Oregano
Instructions
- Preheat and Prepare Dish: Preheat your oven to 350°F (175°C) and grease a 9×13 inch baking dish thoroughly to prevent sticking and ensure even cooking.
- Brown Ground Beef: In a skillet over medium heat, add the ground beef and cook until fully browned, breaking it up with a spatula. Once cooked, drain any excess fat to keep the dish from being greasy.
- Sauté Aromatics: Add the diced onion and minced garlic to the skillet with the beef. Cook until the onions are translucent, which should take a few minutes, releasing their sweet flavors.
- Season the Mixture: Stir in salt, pepper, paprika, and oregano. Let these seasonings cook with the mixture for about one minute to enhance their aroma and integrate the flavors.
- Prepare Sauce and Combine: In a separate bowl, mix sugar-free ketchup, mustard, and mayonnaise. Add this sauce to the skillet with the meat mixture and stir well to combine everything evenly.
- Assemble Base Layer: Spread the meat and sauce mixture evenly across the bottom of the prepared baking dish. Then, sprinkle the crumbled cooked bacon evenly on top.
- Add Eggs: In a separate bowl, whisk the eggs briskly until smooth. Pour the eggs evenly over the meat and bacon layer to bind the casserole when baked.
- Add Cheese Topping: Sprinkle shredded cheddar and mozzarella cheeses evenly over the top, creating a rich, melty layer.
- Bake: Place the casserole in the oven and bake for 25 to 30 minutes, until the cheese is melted, bubbly, and starts to brown slightly.
- Cool and Serve: Remove from the oven and allow the casserole to cool for a few minutes before slicing. This helps it set and makes serving easier.
Notes
- Use sugar-free condiments to keep the recipe low-carb friendly.
- Adjust seasoning quantities according to taste preferences.
- Allow the casserole to cool slightly after baking to help it firm up for cleaner slices.
- The recipe can be doubled or halved depending on serving needs.
- Substitute cheeses if desired, such as using pepper jack for a spicy twist.

