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Baked Spaghetti Squash Casserole (Low Carb, High Protein)
4.8 from 94 votes

Baked Spaghetti Squash Casserole (Low Carb, High Protein)

Baked Spaghetti Squash Casserole combines cooked spaghetti squash strands with seasoned ground beef, a blend of cream cheese and cottage cheese, and marinara sauce. Topped with shredded mozzarella, the mixture bakes into a warm, cheesy casserole with a balance of lean protein and low-carb vegetables. The addition of Creole seasoning adds a slightly spicy, savory flavor that complements the tomato sauce and cheeses.

Prep Time
15 mins
Cook Time
30 mins
Total Time
45 mins
Servings: 8
Calories: 264 kcal
Course: Main Course
Cuisine: Italian

Ingredients

  • 1 lb. ground beef 96%, lean
  • 5 cups spaghetti squash loosely packed and DRAINED WELL!, cooked and shredded, 750g
  • 1.5 Tbsp creole seasoning like Tony's, or homemade (see notes)
  • 8 oz. cream cheese soft, light
  • 1/2 cup cottage cheese 112g
  • 24 oz. marinara sauce Iike Rao’s
  • 3/4 cup mozzarella cheese shredded, whole milk, 84g

Instructions

    Cup of Yum
  1. Preheat the oven to 350 degrees F. Spray a 9x13-inch dish with cooking spray and set aside.
  2. Cook beef over medium heat. Season with 1/2 Tablespoon of creole seasoning and salt and pepper to taste. Crumble the beef as it cooks until no longer pink, then remove from heat.
  3. In a large mixing bowl, add softened cream cheese, cottage cheese, and the remaining 1 Tablespoon of creole seasoning. Using a hand mixer, blend until combined.
  4. Add the marinara sauce and stir to combine.
  5. Then, add in the beef and spaghetti squash (make sure you drain the water from them first!), fold to combine.
  6. Transfer the spaghetti squash mixture to the baking dish and spread out evenly. Sprinkle with cheese and bake for about 30 minutes or until hot and bubbly.

Notes

  • To cook spaghetti squash, cut in half, scoop out seeds, bake flesh-side down at 400°F for 30-40 minutes until tender but firm, then shred with a fork.
  • Drain spaghetti squash thoroughly to prevent excess water from making the casserole watery.
  • Use homemade or store-bought Creole seasoning to add balanced spices; adjust quantity to taste.
  • For dairy-free versions, substitute cream cheese and cottage cheese with non-dairy alternatives or dairy-free Greek yogurt.
  • To make vegetarian, replace ground beef with plant-based protein or roasted vegetables like eggplant, peppers, onions, or spinach.

Nutrition Information

Serving 1/8 of dish (286g) Calories 264kcal (13%) Carbohydrates 11.8g (4%) Protein 19.8g (40%) Fat 15.3g (24%) Saturated Fat 7g (35%) Fiber 1.9g (8%) Sugar 6.5g (13%)

Nutrition Facts

Serving: 8 Serving

Amount Per Serving

Calories 264

% Daily Value*

Serving 1/8 of dish (286g)
Calories 264kcal 13%
Carbohydrates 11.8g 4%
Protein 19.8g 40%
Fat 15.3g 24%
Saturated Fat 7g 35%
Fiber 1.9g 8%
Sugar 6.5g 13%

* Percent Daily Values are based on a 2,000 calorie diet.