Keto Cheeseburger Casserole is a tasty and filling dish. It combines the best flavors of a cheeseburger with the convenience of a casserole. You can enjoy this meal even if you’re following a keto diet. It has all the comfort of traditional cheeseburgers but without the extra carbs. This recipe is perfect for a quick weeknight dinner or a weekend family meal.
WHY YOU WILL LOVE THIS RECIPE
There are many reasons to love the Keto Cheeseburger Casserole. First, it is easy to make. You do not need to spend hours in the kitchen to prepare this dish. Second, it is full of flavor. The combination of ground beef, cheese, and spices brings a burst of taste in every bite. Third, it is keto-friendly. If you are counting carbs, this dish fits right into your meal plan. Fourth, you can customize it with your favorite toppings or side dishes. Finally, this casserole is great for leftovers. You can store it and enjoy it later.
HOW TO MAKE Keto Cheeseburger Casserole
Making Keto Cheeseburger Casserole is simple. You just need to cook the ingredients, mix them, and bake. Follow the steps below to create this delicious dish.
EQUIPMENT NEEDED
- 2-quart baking dish
- Skillet
- Knife
- Cutting board
- Mixing spoon
- Measuring cups and spoons
- Spoon for serving
Ingredients You’ll Need
- 2 lbs extra lean ground beef
- ¼ cup avocado oil mayonnaise
- ¼ cup unsweetened ketchup
- 1 medium onion, finely chopped
- 1½ cups shredded sharp cheddar cheese (divided)
- 1 tbsp mustard
- Salt and pepper to taste
STEP-BY-STEP INSTRUCTIONS
- Preheat the oven to 400°F (200°C). Spray a 2-quart baking dish with olive oil to prevent sticking.
- Heat a skillet over medium-high heat and add a little olive oil.
- Add chopped onions to the skillet. Sauté the onions until they are tender.
- Add the ground beef to the skillet with the onions. Cook the beef until it is browned. Make sure to drain any excess liquid from the skillet.
- Next, stir in salt, pepper, minced garlic, ketchup, mayonnaise, mustard, and 1 cup of shredded cheddar cheese. Mix everything well.
- Transfer the mixture to the prepared baking dish. Spread it evenly in the dish.
- Top the beef mixture with the remaining cheddar cheese.
- Bake in the preheated oven for about 15 minutes. Keep an eye on it until the cheese is melted and bubbly.
HOW TO SERVE Keto Cheeseburger Casserole
Serving Keto Cheeseburger Casserole is easy. Once it cools down slightly after baking, use a spoon to cut portions and serve on plates. You can serve it hot, and it pairs well with a fresh salad or steamed vegetables.
STORAGE & FREEZING Keto Cheeseburger Casserole
If you have leftovers, you can store them in the fridge. Place the casserole in an airtight container. It will keep well in the refrigerator for up to 3 days.
For freezing, let the casserole cool completely before placing it in a freezer-safe container. It can be frozen for up to 3 months. When you’re ready to eat it, thaw it in the fridge overnight and reheat in the oven until warmed through.
SERVING SUGGESTIONS
Keto Cheeseburger Casserole is flexible with what you serve alongside it. Some good side options include:
- A simple garden salad with your favorite dressing
- Steamed vegetables like broccoli, cauliflower, or green beans
- Sliced avocados or guacamole for added flavor
- Pickles or olives for extra crunch and taste

VARIATIONS
Feel free to change up the Keto Cheeseburger Casserole to suit your taste. Here are some variations to try:
- Add sliced mushrooms for an earthy flavor.
- Mix in chopped bell peppers for extra color and crunch.
- Use different types of cheese for a unique taste. Pepper jack adds a spicy kick!
- Top with sliced jalapeños for heat.
- Use turkey or chicken instead of ground beef for a lighter option.
FAQs
Q1: Can I use a different type of meat?
Yes, you can use other meats like turkey, chicken, or even pork. Just make sure to adjust the cooking time based on the meat you choose.
Q2: How do I know when the casserole is done baking?
The casserole is done when the cheese is melted and bubbly. You can also check that the internal temperature reaches 160°F (71°C) for ground beef.
Q3: Can this recipe be made ahead of time?
Yes, you can prepare the casserole ahead of time. Assemble it in the dish, cover it, and refrigerate. Bake it when you’re ready to eat.
Q4: What can I do if I don’t like mayonnaise?
If you don’t like mayonnaise, you can substitute it with Greek yogurt or sour cream for a different flavor.
MAKE-AHEAD TIPS FOR Keto Cheeseburger Casserole
Making Keto Cheeseburger Casserole ahead of time can save you a lot of work. Here are some tips:
- Prepare the beef mixture and store it in the fridge or freezer. When ready, just warm it up and bake with cheese on top.
- You can also cook the beef and vegetables in advance and mix them with the other ingredients just before baking.
- Assemble the casserole and keep it in the fridge overnight. Bake it the next day.
This family-friendly casserole pairs wonderfully with our keto meatball casserole for those who want variety in their keto meal prep rotation. For more cheesy ground beef options, try it alongside our cheesy keto ground beef casserole to compare different flavor profiles. If you love Tex-Mex flavors, our keto Mexican ground beef casserole offers another crowd-pleasing alternative with similar ease of preparation. Follow our Pinterest page for more family-friendly keto recipes and casserole inspiration.
With these steps and tips, you will enjoy an easy, delicious, and satisfying Keto Cheeseburger Casserole. Happy cooking!

Keto Cheeseburger Casserole
A delicious and filling casserole that combines the flavors of a cheeseburger while being keto-friendly.
- Total Time: 25 minutes
- Yield: 6 servings 1x
Ingredients
- 2 lbs extra lean ground beef
- ¼ cup avocado oil mayonnaise
- ¼ cup unsweetened ketchup
- 1 medium onion, finely chopped
- 1½ cups shredded sharp cheddar cheese (divided)
- 1 tbsp mustard
- Salt and pepper to taste
Instructions
- Preheat the oven to 400°F (200°C). Spray a 2-quart baking dish with olive oil to prevent sticking.
- Heat a skillet over medium-high heat and add a little olive oil.
- Add chopped onions to the skillet and sauté until they are tender.
- Add the ground beef to the skillet with the onions. Cook the beef until browned and drain any excess liquid.
- Stir in salt, pepper, minced garlic, ketchup, mayonnaise, mustard, and 1 cup of shredded cheddar cheese. Mix well.
- Transfer the mixture to the prepared baking dish and spread it evenly.
- Top with the remaining cheddar cheese.
- Bake in the preheated oven for about 15 minutes, or until the cheese is melted and bubbly.
Notes
This dish is great for leftovers and can be customized with various toppings and side dishes.
- Prep Time: 10 minutes
- Cook Time: 15 minutes
- Category: Main Course
- Method: Baking
- Cuisine: American
- Diet: Keto, Low Carb
Nutrition
- Serving Size: 1 serving
- Calories: 450
- Sugar: 4g
- Sodium: 600mg
- Fat: 30g
- Saturated Fat: 10g
- Unsaturated Fat: 15g
- Trans Fat: 0g
- Carbohydrates: 5g
- Fiber: 2g
- Protein: 38g
- Cholesterol: 80mg
Keywords: keto, casserole, cheeseburger, low carb, easy dinner, meal prep
