Keto Cheeseburger Casserole

This turned into a really nice family dinner that is really simple to make. I really liked the riced cauliflower on the bottom which is used as a base crust, it really adds to the dish.

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With common ingredients, this easy keto cheeseburger casserole recipe is a one-dish low carb dinner for the whole family. Check the tips & variations for the best skinny low carb cheeseburger casserole ever.
Course Dinner
Cuisine American
Keyword Keto
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings 9 servings
Calories 429 kcal


Bottom Layer

  • 1 tbsp Avocado oil
  • 1 large head Cauliflower or riced cauliflower
  • 1/2 tsp Sea salt
  • 1 cup Cheddar cheese shredded
  • 1/4 cup Heavy cream

Meat Layer

  • 2 lb Ground beef
  • 2 tsp Sea salt
  • 1/2 tsp Black pepper

Top Layer

  • 1 cup Cheddar cheese shredded


  1. Rice the cauliflower using a food processor or box grater. (Learn more about how to make cauliflower rice here.)
  2. Heat the oil in a large saute pan over medium-high heat. Add the cauliflower rice and sea salt. Stir fry until the cauliflower is cooked and a little browned, about 7-10 minutes.
  3. Remove from heat. Stir in the cheddar cheese and heavy cream.
  4. Transfer the mixture evenly to a 9 x 13 in (23 x 33 cm) glass casserole dish. Set aside.
  5. Preheat the oven to 400 degrees F (204 degrees C).
  6. Lightly wipe down the saute pan to remove any cauliflower pieces, and add the ground beef. Season with sea salt and black pepper. Cook the ground beef until browned, about 10 minutes. Drain if needed.
  7. Sprinkle the ground beef evenly over the cauliflower in the casserole dish.
  8. Drizzle the casserole with ketchup (you can make your own sugar-free ketchup like this, or store bought is fine if you are not strictly sugar-free) and mustard. Sprinkle with shredded cheese.
  9. Bake for about 10 minutes, until casserole is hot and cheese melts.

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