Cheeseburger Spaghetti Squash Casserole

  • on May 12, 2020

Cheeseburger Spaghetti Squash Casserole

Prep Time
10 mins
Cook Time
1 hr 15 mins
Total Time
1 hr 25 mins

An easy Keto Cheeseburger Casserole recipe with spaghetti squash. This simple skillet casserole is the whole meal in one pan and it’s delicious and filling. Topped with bacon for extra flavour and family appeal!

Course: Main Course
Cuisine: American
Keyword: cheeseburger casserole, spaghetti squash casserole
Servings6 servings
Calories431 kcal


  • 1 medium spaghetti squash
  • 4 slices bacon, chopped
  • 1 lb ground beef
  • 2 cloves garlic, minced
  • 1/2 tsp salt
  • 1/2 tsp pepper
  • 2 tbsp sugar free ketchup
  • 2 tsp Worcestershire sauce
  • 6 ounces shredded Cheddar (about 1 1/2 cups)


  1. Preheat the oven to 400F and line a baking sheet with parchment paper. Cut the squash in half crosswise and scoop out the seeds. Set the squash cut-side down and bake until the squash is soft enough to be squeezed, about 40 minutes.

  2. Meanwhile, cook the bacon in a large skillet over medium heat until crisp. Remove to a paper towel lined plate. In the same skillet, cook the ground beef, breaking up any clumps with the back of a wooden spoon. 

  3. When the beef is almost cooked through, about 7 minutes, add the garlic, salt, and pepper. Cook until no longer pink, another 2 or 3 minutes. 

  4. Stir in the ketchup and Worcestershire sauce. Scoop the flesh out of the squash and stir in until well mixed into the ground beef. Spread out evenly over the bottom of the skillet

  5. Sprinkle with the shredded cheddar cheese and cover the skillet. Reduce the heat to low and let the cheese melt, about 5 minutes. Sprinkle the bacon overtop and serve. 

Nutrition Facts
Cheeseburger Spaghetti Squash Casserole
Amount Per Serving (1 serving = about 1 cup)
Calories 431Calories from Fat 259
% Daily Value*
Fat 28.8g44%
Carbohydrates 6.5g2%
Fiber 1.6g6%
Protein 30.5g61%
* Percent Daily Values are based on a 2000 calorie diet.
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