This Low Carb Bacon Cheeseburger Casserole hits the spot when you want real comfort food that still fits a low carb or keto way of eating. Every bite tastes like your favorite bacon cheeseburger.
Juicy seasoned beef, smoky crispy bacon, and a thick blanket of melted cheese come together in one warm, cozy dish, all without the bun. No one will miss the bread.
It is also a true weeknight hero. With minimal prep and simple pantry friendly ingredients, dinner goes from fridge to table in about 45 minutes.
The recipe makes 6 generous servings, so there is plenty for the whole family, and the leftovers are something you will actually look forward to.
They reheat beautifully for quick lunches, and the whole casserole freezes well for those weeks when you need dinner waiting for you. It even works for breakfast for dinner nights when the day gets away from you.
Families love how easy it is to customize. Fold in chopped pickles for that classic burger shop tang, add sautéed mushrooms for extra depth, or stir in diced jalapeños when you want a little heat.
Kids go straight for the cheesy, savory layers while adults appreciate the low carb twist. Serve it warm with a big green salad or roasted vegetables, then dress it up with your favorite toppings like mustard or sugar free ketchup.
Great casseroles start with the right ingredients, and each one here pulls its weight. For the juiciest results, choose 80/20 ground beef. Leaner beef works too, but you may want a splash of cream or a little extra cheese to bring back the richness.
Thick cut bacon brings the best flavor and texture, so cook it until nice and crispy, then crumble it into bite size pieces. Save about a tablespoon of the bacon drippings in the skillet. That is the flavorful base you will brown the beef in.
Sharp cheddar gives the most classic cheeseburger flavor, though Colby Jack, mozzarella, or a blend of your favorites can be swapped in with delicious results.
This recipe uses a cup each of shredded cheddar and shredded mozzarella, divided between the custard layer and the golden top. Softened cream cheese melts right into the warm beef mixture and adds a subtle richness that takes the whole dish up a notch.
Eggs are the quiet hero here. They bind everything together and give the casserole a custardy texture, much like a quiche, so do not skip them.
Heavy cream keeps every bite moist and creamy, and half and half works when you want a slightly lighter version.
Onion and garlic are sautéed into the beef for a rich, savory base, while salt, pepper, and a touch of smoked paprika round out the seasoning.
Yellow mustard, garlic powder, and a spoonful of optional sugar free ketchup whisked into the egg mixture add that unmistakable burger flavor.
Want the full burger experience at the table? Set out pickles, sliced tomatoes, shredded lettuce, mustard, and sugar free ketchup and let everyone top their own square. This version is inspired by the original keto bacon cheeseburger casserole recipe from Nourish Your Glow, with every detail below taken from the recipe card.
For the casserole
1 lb ground beef
6 slices bacon, cooked and crumbled
1 small onion, finely chopped
2 cloves garlic, minced
4 large eggs
1 cup heavy cream
1 cup shredded cheddar cheese, divided
1 cup shredded mozzarella cheese, divided
2 tbsp cream cheese, softened
2 tbsp sugar free ketchup, optional
1 tsp yellow mustard
1/2 tsp smoked paprika
1/2 tsp garlic powder
1/2 tsp salt, or to taste
1/4 tsp black pepper
For serving, optional
2 tbsp chopped pickles
Fresh parsley, for garnish
Step by Step Instructions
The method is simple and forgiving, which is exactly what you want on a busy night. You will cook the bacon, brown the beef, stir together a quick egg custard, layer everything in a 9 by 13 inch baking dish, and let the oven do the rest. Here is how it comes together.
Cook the bacon. In a large skillet over medium heat, cook the bacon until crispy. Remove it, drain on paper towels, and crumble once cool enough to handle. Set the crumbles aside.
Brown the beef. Drain most of the bacon grease from the skillet, leaving about 1 tablespoon behind. Add the ground beef, chopped onion, and minced garlic. Cook, breaking up the meat, until the beef is browned and the onion is soft. Stir in the smoked paprika, garlic powder, salt, and pepper.
Stir in the cream cheese. Lower the heat and add the softened cream cheese, stirring until it melts smoothly into the beef mixture. Add the crumbled bacon back in, then spread the mixture evenly into a greased 9 by 13 inch baking dish.
Make the custard. In a bowl, whisk together the eggs, heavy cream, yellow mustard, and sugar free ketchup if you are using it, until smooth. Stir in half the cheddar and half the mozzarella.
Assemble. Pour the egg mixture evenly over the beef layer in the baking dish. Sprinkle the remaining cheddar and mozzarella over the top.
Bake. Place the dish in a preheated oven at 350 degrees Fahrenheit (175 degrees Celsius) and bake for 25 to 30 minutes, until the center is set and the top is golden.
Rest and serve. Let the casserole cool slightly before slicing so the layers set up nicely. Garnish with chopped pickles or fresh parsley if you like, and serve warm with your favorite burger toppings.
A few practical tips make it turn out perfectly every time. Drain the beef well after browning so the finished casserole stays rich instead of greasy. Keep an eye on the oven near the end of the bake.
You want the center just set and the cheese bubbly and golden, not dark. Letting it rest a few minutes before slicing makes cleaner squares that hold together on the plate.
Start checking at 25 minutes. The center should be just set and the top golden before you pull the dish from the oven.
Storage Tips
Leftovers keep in an airtight container in the refrigerator for up to 4 days. Reheat individual portions in the microwave or the oven until warmed through. The flavors settle in nicely overnight, so lunch the next day is especially good.
This casserole is also freezer friendly, which makes it a smart pick for meal prep. Let it cool completely, slice it into portions, and wrap each portion tightly in plastic wrap.
Place the wrapped portions in freezer safe containers and freeze for up to 3 months. Thaw overnight in the refrigerator, then reheat in the oven or microwave until hot in the center.
Here is a handy meal prep trick. Bake the mixture in two smaller dishes, such as two 8 by 8 inch pans, instead of one large pan. Serve one right away and freeze the other, and future you gets an effortless dinner on a hectic night.
Variations
Once you have the base down, this casserole is a blank canvas for all your favorite burger flavors. Try one of these twists, or mix and match to make it your own.
Pickle lover’s version. Stir chopped dill pickles into the beef layer before baking for that classic cheeseburger tang in every bite.
Mushroom and Swiss. Swap the cheddar for Swiss cheese and fold in sautéed mushrooms for a deeper, earthier flavor.
Spicy kick. Mix diced jalapeños into the beef mixture or sprinkle a little cayenne pepper over the top before baking.
BBQ twist. Drizzle sugar free BBQ sauce over the beef layer before adding the egg mixture for a smoky sweet finish.
Breakfast style. Add cooked sausage and diced bell peppers to the beef layer, then pour over the egg mixture for a hearty morning casserole that feeds a crowd.
If cozy baked dinners are your thing, add this low carb zucchini au gratin casserole to your list for next week. It brings the same warm, cheesy comfort with a fresh vegetable twist.
FAQs
How long do you bake a low-carb bacon cheeseburger casserole?
Bake the casserole at 350°F for 25 to 30 minutes, until the center is set and the top is golden. Judge doneness by the middle: it should barely tremble when nudged, since residual heat finishes the setting as it rests. Let it rest 5 to 10 minutes before slicing so the squares hold their shape.
How do you keep a cheeseburger casserole from being watery?
Drain the browned ground beef well and leave only about 1 tablespoon of the rendered fat in the pan. Avoid loading the dish with watery vegetables like mushrooms or zucchini unless you saute them first. Do not overbake, because cooking the eggs past set squeezes out moisture and toughens the custard.
Can you freeze a low-carb bacon cheeseburger casserole?
Yes. Bake it, cool it completely, and slice it into portions before freezing in airtight, freezer-safe containers for up to 3 months. Thaw the portions in the refrigerator before reheating. Reheat covered in the oven until steaming throughout, or microwave in short covered intervals until the center reaches 165°F.
What cheese works best for a cheeseburger casserole?
Sharp cheddar gives the most classic cheeseburger flavor, and the recipe pairs 1 cup of cheddar with 1 cup of mozzarella for a smooth, golden top. Shred the cheese from a block when you can, because pre-shredded cheese contains anti-caking starches that dull the melt. Colby Jack or a cheddar and pepper jack blend also work well.
Why You’ll Love It This Low Carb Bacon Cheeseburger Casserole hits the spot when you want real comfort food that still fits a low carb or keto way of eating. Every bite tastes like your favorite bacon cheeseburger.
Total Time:45 minutes
Yield:61x
Ingredients
Scale
1 lb ground beef 6 slices bacon, cooked and crumbled 1 small onion, finely chopped 2 cloves garlic, minced 4 large eggs 1 cup heavy cream 1 cup shredded cheddar cheese, divided 1 cup shredded mozzarella cheese, divided 2 tbsp cream cheese, softened 2 tbsp sugar-free ketchup 1 tsp yellow mustard ½ tsp smoked paprika ½ tsp garlic powder ½ tsp salt, or to taste ¼ tsp black pepper 2 tbsp chopped pickles, optional topping fresh parsley, for garnish
Instructions
1-Cook the Bacon: Cook the Bacon: In a skillet, cook bacon until crispy. Remove, crumble, and set aside. 2-Brown the Beef: Brown the Beef: Drain most of the bacon grease, leaving about 1 tbsp. Add ground beef, onion, and garlic. Cook until beef is browned and onion is soft. Stir in smoked paprika, garlic powder, salt, and pepper. 3-Mix in Cream Cheese: Mix in Cream Cheese: Lower heat, stir in softened cream cheese until melted into the beef mixture. Add crumbled bacon back in. Spread this mixture evenly into a greased 9×13-inch baking dish. 4-Prepare Egg Mixture: Prepare Egg Mixture: In a bowl, whisk together eggs, heavy cream, mustard, and ketchup (if using). Stir in half the cheddar and half the mozzarella. 5-Assemble: Assemble: Pour egg mixture over the beef layer in the baking dish. Top with remaining cheeses. 6-Bake: Bake: Place in a preheated oven at 350°F (175°C) for 25-30 minutes, or until the center is set and the top is golden. 7-Serve: Serve: Let cool slightly before slicing. Garnish with pickles or parsley if desired.
Last Step:
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