
Why Make This Recipe
Keto Meatball Parmesan Casserole is a fantastic dish for anyone following a low-carb diet. It’s hearty, comforting, and packed with flavors that make it a family favorite. Plus, it’s simple to make and uses common ingredients found in many kitchens. This hearty casserole brings together tasty meatballs, rich marinara sauce, and gooey cheese, making it a perfect weeknight meal that everyone will enjoy.
How to Make Keto Meatball Parmesan Casserole
Ingredients:
- 1 pound ground beef or turkey
- 1 cup grated Parmesan cheese
- 1 cup marinara sauce (low-carb)
- 2 cups shredded mozzarella cheese
- 1/2 cup chopped fresh basil or parsley
- 1 teaspoon garlic powder
- Salt and pepper to taste
- 1 egg (optional, for binding)
Directions:
- Preheat the oven to 375°F (190°C).
- In a large mixing bowl, combine ground beef (or turkey), Parmesan cheese, garlic powder, salt, pepper, and egg (if using). Mix until well combined.
- Form the mixture into meatballs and place them in a greased baking dish.
- Pour marinara sauce over the meatballs and then sprinkle shredded mozzarella cheese on top.
- Bake in the preheated oven for 25-30 minutes or until the meatballs are cooked through and the cheese is melted and bubbly.
- Garnish with fresh basil or parsley before serving. Enjoy!
How to Serve Keto Meatball Parmesan Casserole
Serve this delicious casserole hot from the oven. You can enjoy it on its own or pair it with a side salad for a complete meal. The rich flavors of the meatballs and sauce can also be savored with a side of zucchini noodles or cauliflower rice if you’re looking to keep it low-carb.
How to Store Keto Meatball Parmesan Casserole
Store any leftovers in an airtight container in the refrigerator. It will stay fresh for up to 3 days. To reheat, simply warm it in the microwave or in the oven until heated through.
Tips to Make Keto Meatball Parmesan Casserole
- If you prefer a bit more spice, add crushed red pepper flakes to the meatball mixture or sprinkle some on top before serving.
- Use fresh herbs for the best flavor. Basil and parsley are excellent choices that add depth to the dish.
- If you want to save time, you can prepare the meatballs in advance and store them in the fridge until you are ready to bake the casserole.
Variation
Feel free to customize the type of cheese used. A blend of mozzarella and provolone can give a unique twist to the flavors. You can also replace the meat with ground chicken or sausage for a different taste.
FAQs
Can I make this casserole ahead of time?
Yes, you can prepare the meatballs and sauce the day before and assemble them right before baking.
Can I freeze leftovers?
Absolutely! You can freeze the casserole for up to 2 months. Make sure to cool it completely before wrapping it tightly for freezing.
What can I use instead of marinara sauce?
You can use any low-carb pasta sauce or even a homemade tomato sauce that fits within your keto guidelines.

Keto Meatball Parmesan Casserole
Ingredients
For the Meatballs
- 1 pound ground beef or turkey Use lean meat for a healthier option.
- 1 cup grated Parmesan cheese
- 1 teaspoon garlic powder
- 1 egg (optional, for binding) Optional for better meatball structure.
For Assembly
- 1 cup marinara sauce (low-carb)
- 2 cups shredded mozzarella cheese
- 1/2 cup chopped fresh basil or parsley For garnish and added flavor.
Instructions
Preparation
- Preheat the oven to 375°F (190°C).
- In a large mixing bowl, combine ground beef (or turkey), Parmesan cheese, garlic powder, salt, pepper, and egg (if using). Mix until well combined.
- Form the mixture into meatballs and place them in a greased baking dish.
Assembly and Baking
- Pour marinara sauce over the meatballs and then sprinkle shredded mozzarella cheese on top.
- Bake in the preheated oven for 25-30 minutes or until the meatballs are cooked through and the cheese is melted and bubbly.
- Garnish with fresh basil or parsley before serving. Enjoy!