🍴 Keto Cheeseburger Casserole – Easy, Cheesy, and Irresistibly Low-Carb

When you’re craving the savory satisfaction of a juicy cheeseburger but want to stay low-carb, this Keto Cheeseburger Casserole hits the spot. It’s creamy, cheesy, and packed with classic burger flavor — minus the bun! This hearty, family-friendly meal is simple to make, perfect for meal prep, and so delicious that even non-keto eaters will be asking for seconds.

This dish combines all the best parts of a cheeseburger — seasoned ground beef, melty cheese, and a rich, creamy sauce — baked together into a bubbly, golden casserole. The result? Comfort food heaven that fits perfectly into your keto lifestyle.


🧂 Ingredients

  • 1 ½ pounds ground beef (80/20 blend for best flavor)
  • 1 small onion, finely diced
  • 2 cloves garlic, minced
  • ½ teaspoon salt
  • ¼ teaspoon black pepper
  • 1 teaspoon Worcestershire sauce (optional, check for sugar-free version)
  • 1 tablespoon Dijon mustard
  • 3 large eggs
  • ½ cup heavy cream
  • 1 cup shredded cheddar cheese
  • ½ cup shredded mozzarella cheese
  • 4 ounces cream cheese, softened
  • 2 tablespoons chopped green onions (for garnish)
  • Optional toppings: diced pickles, crumbled bacon, chopped tomatoes

👩‍🍳 Instructions

  1. Preheat the oven:
    Preheat your oven to 375°F (190°C). Grease a medium casserole dish (about 8×8 or 9×9 inches) with butter or olive oil.
  2. Cook the beef mixture:
    In a large skillet over medium-high heat, add ground beef. Cook until browned, breaking it apart as it cooks. Add diced onions and garlic; sauté for another 2–3 minutes until fragrant.
  3. Season and combine:
    Stir in salt, pepper, Dijon mustard, and Worcestershire sauce (if using). Mix well and cook for 1 minute more. Remove from heat and drain any excess fat.
  4. Prepare the creamy egg mixture:
    In a medium bowl, whisk together eggs, heavy cream, and cream cheese until smooth. (If cream cheese is too stiff, soften it in the microwave for 10–15 seconds first.)
  5. Layer the casserole:
    Spread the cooked beef mixture evenly in the prepared casserole dish. Pour the egg mixture over the top, letting it soak into the beef.
  6. Add cheese:
    Sprinkle the shredded cheddar and mozzarella evenly across the top.
  7. Bake to perfection:
    Bake uncovered for 20–25 minutes, or until the casserole is set and the cheese is bubbly and golden.
  8. Garnish and serve:
    Let it cool for 5–10 minutes before slicing. Garnish with green onions, bacon bits, or diced pickles for the ultimate cheeseburger experience.

💡 Tips for the Best Keto Cheeseburger Casserole

  • Use full-fat ingredients: They keep the dish rich, creamy, and perfectly keto.
  • Customize your cheese: Try swapping cheddar for pepper jack or Swiss to mix things up.
  • Add crunch: A sprinkle of crushed pork rinds on top before baking gives it that “burger bun” texture.
  • Meal prep magic: This casserole stores beautifully! Slice and refrigerate for up to 4 days or freeze in portions for quick weekday lunches.

Keto Cheeseburger Casserole

A rich, cheesy, and low-carb casserole that brings classic cheeseburger flavors to your keto table.
Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Servings: 6 servings
Course: Dinner, Main Course
Cuisine: American
Calories: 410

Ingredients
  

  • 1.5 lb ground beef 80/20 blend
  • 1 small onion diced
  • 2 cloves garlic minced
  • 0.5 tsp salt
  • 0.25 tsp black pepper
  • 1 tbsp Dijon mustard
  • 1 tsp Worcestershire sauce optional
  • 3 eggs large
  • 0.5 cup heavy cream
  • 4 oz cream cheese softened
  • 1 cup cheddar cheese shredded
  • 0.5 cup mozzarella cheese shredded
  • 2 tbsp green onions chopped for garnish

Equipment

  • Skillet
  • Mixing bowl
  • Whisk
  • Casserole dish

Method
 

  1. Preheat oven to 375°F (190°C). Grease a casserole dish.
  2. Brown ground beef in a skillet over medium-high heat. Add onions and garlic; cook until softened.
  3. Season with salt, pepper, mustard, and Worcestershire sauce. Stir and cook 1 more minute.
  4. In a bowl, whisk eggs, heavy cream, and cream cheese until smooth.
  5. Spread beef in casserole dish, pour egg mixture on top, and sprinkle with shredded cheese.
  6. Bake 20–25 minutes until cheese is golden and bubbly. Cool 5 minutes before serving.

Notes

Add diced pickles or bacon bits on top for extra flavor.

🌮 Serving Suggestions

Serve this casserole with your favorite keto-friendly sides:

  • A crisp green salad with ranch dressing
  • Roasted broccoli or cauliflower
  • Lettuce wraps for a “deconstructed burger” vibe
  • Keto coleslaw or pickled veggies for a tangy crunch

You can also top your serving with:

  • Sugar-free ketchup or mustard
  • Sliced avocado for extra healthy fats
  • A drizzle of creamy mayo

🥘 Recipe Variations

1. Bacon Cheeseburger Casserole:
Add ½ cup of crumbled cooked bacon to the beef mixture before baking.

2. Mushroom Swiss Casserole:
Replace cheddar with Swiss cheese and add sautéed mushrooms for a gourmet twist.

3. Tex-Mex Version:
Mix in 1 tablespoon of taco seasoning and top with shredded pepper jack. Garnish with diced tomatoes and sour cream after baking.

4. Buffalo-Style Cheeseburger Bake:
Add a few dashes of hot sauce and blue cheese crumbles for a spicy kick.


🧊 Storage and Freezing Instructions

  • Refrigerator: Store leftovers in an airtight container for up to 4 days.
  • Freezer: Freeze cooked portions for up to 3 months.
  • Reheat: Warm in the oven at 350°F for 10–15 minutes or microwave for 1–2 minutes until heated through.

To prevent sogginess, avoid reheating at too high a temperature — slow and steady keeps the texture perfect.


🧠 Fun Fact

Did you know that cheeseburgers date back to the 1920s? While their exact origin is debated, the combination of juicy beef and melty cheese became an American staple — and now, thanks to creative keto cooking, it’s possible to enjoy that classic flavor in casserole form without any guilt!


🥄 Why You’ll Love This Recipe

  • Low-carb, high-flavor: All the cheeseburger taste with none of the carbs.
  • Family-friendly: Even picky eaters love this one.
  • Quick to make: Ready in under an hour, including prep.
  • Meal-prep superstar: Freezes and reheats beautifully for busy weeknights.
  • Customizable: Adjust flavors and toppings to suit any craving.

🧾 Nutrition (per serving)

  • Calories: 410
  • Fat: 32g
  • Protein: 28g
  • Net Carbs: 4g
  • Fiber: 1g
  • Sodium: 480mg

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