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Zero Carb Cheesy Meatball Bake Casserole

ByHannah Peterson

Zero Carb Cheesy Meatball Bake Casserole Ultimate Low Carb Comfort Food – Keto & Diabetic Friendly

This Zero Carb Cheesy Meatball Bake Casserole is a hearty, crowd-pleasing dinner that combines juicy homemade meatballs, rich sugar-free marinara, and a blanket of bubbly melted cheese. It’s incredibly satisfying, easy to make, and delivers all the Italian flavors you crave — with virtually zero net carbs.

Why You’ll Love This Recipe

  • Nearly zero net carbs — perfect for strict keto or carnivore-style eating
  • High protein and very filling
  • One-dish casserole — minimal cleanup
  • Family-friendly (even picky eaters love it)
  • Great for meal prep and leftovers

Ingredients (makes 6–8 servings)

  • 2 lbs ground beef (80/20 recommended)
  • 1 large egg
  • ½ cup grated Parmesan cheese
  • 2 tsp Italian seasoning
  • 1 tsp garlic powder
  • 1 tsp onion powder
  • 1 tsp salt
  • ½ tsp black pepper
  • 2–3 tbsp fresh parsley, chopped (optional)

Sauce & Cheese:

  • 2½ cups sugar-free marinara sauce (Rao’s or homemade)
  • 3 cups shredded mozzarella cheese
  • Extra Parmesan and dried oregano for topping

Instructions

  1. Preheat oven to 400°F (200°C). Lightly grease a 9×13-inch glass baking dish.
  2. In a large bowl, mix ground beef, egg, Parmesan, Italian seasoning, garlic powder, onion powder, salt, pepper, and parsley until just combined.
  3. Form into 18–20 meatballs (about 2 inches each) and arrange in the baking dish.
  4. Bake for 15–18 minutes until lightly browned.
  5. Pour the sugar-free marinara sauce evenly over the meatballs.
  6. Sprinkle generously with shredded mozzarella and extra Parmesan.
  7. Bake another 12–15 minutes until the cheese is melted and bubbly.
  8. For a golden top, broil for the final 2 minutes.
  9. Let rest 5–10 minutes, garnish with oregano or parsley, and serve.

Storage Tips

Refrigerate leftovers in an airtight container for up to 5 days. Reheat in the oven at 350°F for best texture. Freezes well for up to 3 months.

Nutritional Information (per serving, based on 8 servings)

  • Calories: ~380
  • Fat: 28g
  • Total Carbs: ~4g
  • Fiber: ~1g
  • Net Carbs: ~3g
  • Protein: 32g

Macros are approximate and depend on brands. This is essentially zero carb when using a clean marinara sauce.

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