Keto Meatball Casserole
If you need a family dinner, this Keto Meatball Casserole should be it. Flavorful low-carb meatballs covered in rich sauce and gooey cheese make for the best meatball casserole ever. Perfect for weeknight meals or special occasions, this dish combines delicious flavors and satisfying textures that will please everyone at the table.
Why You’ll Love This Recipe
- Quick to Prepare: With just 15 minutes of prep time, you can have a hearty meal ready without spending hours in the kitchen.
- Low Carb Delight: This casserole fits perfectly into a low-carb or keto diet while still being indulgent and satisfying.
- Family-Friendly: The cheesy goodness and savory meatballs are sure to please both kids and adults alike.
- Versatile Dish: You can easily customize it by adding your favorite veggies or spices for extra flavor.
- Meal Prep Friendly: Make it ahead of time and store it in the fridge or freezer for effortless meals on busy days.
Tools and Preparation
To ensure your Keto Meatball Casserole comes out perfectly, having the right tools is essential. Here’s what you’ll need:
Essential Tools and Equipment
- Casserole dish
- Mixing bowl
- Oven
Importance of Each Tool
- Casserole dish: A good-quality casserole dish ensures even cooking and makes serving easy.
- Mixing bowl: A large mixing bowl allows you to combine all ingredients thoroughly for well-mixed meatballs.
- Oven: An oven is necessary for baking the casserole to perfection, creating a deliciously melted cheese topping.

Ingredients
For the Meatballs
- 1 lb ground turkey
- 1 lb Italian sausage
- 1 shredded zucchini (about 1 cup)
- 1 egg
- 2 tsp dried minced onion
- 2 tsp dried minced garlic
- 2 tsp dried basil
- 1 tsp salt
For Topping
- 1 cup marinara sauce
- 1 cup shredded mozzarella
- 1/3 cup grated or shredded parmesan
- 8 oz shredded cheese (two cheese pizza blend of mozzarella and provolone)
How to Make Keto Meatball Casserole
Step 1: Preheat the Oven
Preheat your oven to 400°F (200°C). Spray your casserole dish with cooking spray to prevent sticking.
Step 2: Prepare the Meatball Mixture
In a mixing bowl, combine all ingredients for the meatballs:
1. Add ground turkey, Italian sausage, shredded zucchini, egg, dried minced onion, dried minced garlic, dried basil, and salt.
2. Mix thoroughly until well combined.
3. Form about 24 meatballs and place them in the prepared casserole dish.
Step 3: Bake the Meatballs
Bake in the preheated oven for about 30 minutes or until cooked through. Carefully drain any cooking liquid from the casserole dish.
Step 4: Add Sauce and Cheese
Top the meatballs with marinara sauce and sprinkle with mozzarella and parmesan cheese. Return to the oven and bake for an additional 10-15 minutes or until the cheese is melted.
Step 5: Optional Broil for Extra Crispiness
For an extra touch of flavor, broil for 3-4 minutes at the end to toast the cheese slightly. Be sure to watch closely as it can burn easily.
Now you’re ready to enjoy your delicious Keto Meatball Casserole! This tasty dish checks all boxes—easy preparation, great flavor, and family-friendly appeal!
How to Serve Keto Meatball Casserole
Serving Keto Meatball Casserole is simple and versatile. This dish pairs well with various sides, making it perfect for family dinners or gatherings. Here are some serving suggestions to elevate your meal.
With a Fresh Salad
- Garden Salad: A mix of greens, tomatoes, cucumbers, and a light vinaigrette adds freshness.
- Caesar Salad: Crisp romaine lettuce with parmesan cheese and a creamy dressing complements the savory casserole.
On a Bed of Zoodles
- Zucchini Noodles: Spiralized zucchini offers a low-carb alternative to pasta while soaking up the delicious sauce.
- Spaghetti Squash: Roasted spaghetti squash provides a slightly sweet flavor that pairs perfectly with meatballs.
Topped with Avocado
- Sliced Avocado: Creamy avocado slices can enhance the richness of the casserole.
- Guacamole: A dollop of guacamole adds creaminess and a burst of flavor.
How to Perfect Keto Meatball Casserole
Creating the ultimate Keto Meatball Casserole requires attention to detail. Here are some tips to ensure your dish turns out perfect every time.
- Use Fresh Ingredients: Fresh herbs and vegetables enhance the flavor profile significantly.
- Don’t Overmix the Meatballs: Mixing too much can make them tough; just combine until ingredients are blended.
- Adjust Seasonings: Feel free to add more spices according to your taste preference for a personalized flavor.
- Check Doneness Carefully: Use a meat thermometer to ensure meatballs reach 165°F for safe consumption.
- Experiment with Cheese Types: Try different cheese blends for unique flavors; mozzarella, cheddar, or even pepper jack can work well.
Best Side Dishes for Keto Meatball Casserole
Pairing side dishes with your Keto Meatball Casserole can enhance your dining experience. Here are some excellent choices that complement its rich flavors.
- Garlic Mashed Cauliflower: A creamy, low-carb alternative to mashed potatoes that pairs beautifully with meatballs.
- Roasted Brussels Sprouts: Crispy Brussels sprouts add texture and a slight bitterness that balances the dish’s richness.
- Steamed Asparagus: Lightly steamed asparagus provides a fresh crunch and vibrant color on your plate.
- Sautéed Spinach: Quick sautéed spinach seasoned with garlic makes for an easy and nutritious side.
- Broccoli Salad: A cold broccoli salad mixed with nuts and cheese adds crunch and complementary flavors.
- Cabbage Slaw: Tangy cabbage slaw topped with sesame dressing brings brightness alongside the savory casserole.
Common Mistakes to Avoid
To ensure your Keto Meatball Casserole turns out perfectly, avoid these common mistakes.
- Overmixing the meatballs: Mixing the meat too much can make them tough. Combine just until ingredients are blended.
- Skipping the sauce: Without marinara sauce, your casserole may lack flavor and moisture. Don’t forget to add it on top before baking!
- Ignoring cooking times: Cooking for too long or too short can lead to dry meatballs or undercooked ones. Always check that they are fully cooked through.
- Not draining excess liquid: Leaving the cooking liquid in can make your casserole soupy. Drain it carefully before adding sauce and cheese.
- Forgetting to preheat the oven: Starting with a cold oven can affect cooking times and results. Always preheat before putting your casserole in.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container for up to 3 days.
- Allow the casserole to cool completely before sealing to prevent condensation.
Freezing Keto Meatball Casserole
- Freeze the casserole for up to 3 months in a freezer-safe container.
- For best results, wrap tightly in plastic wrap before sealing in a container.
Reheating Keto Meatball Casserole
- Oven: Preheat to 350°F (175°C), cover with foil, and heat for about 20-30 minutes until warmed through.
- Microwave: Use a microwave-safe dish, cover loosely, and heat on medium power for about 2-3 minutes, stirring halfway.
- Stovetop: Place in a skillet over low heat, stirring occasionally until heated thoroughly.
Frequently Asked Questions
What is Keto Meatball Casserole?
Keto Meatball Casserole is a delicious low-carb dish featuring flavorful meatballs baked with marinara sauce and topped with melted cheese.
How can I customize my Keto Meatball Casserole?
You can customize by adding vegetables like bell peppers or mushrooms or using different cheeses for varied flavors.
Can I use different types of meat?
Absolutely! While turkey is used here, you can substitute ground beef or chicken based on your preference.
How do I know when the meatballs are cooked?
The best way is to use a meat thermometer; they should reach an internal temperature of 165°F (75°C).
Final Thoughts
This Keto Meatball Casserole is not only flavorful but also versatile enough for various tastes. Feel free to experiment with different ingredients or spices to make it your own. It’s perfect for family dinners or meal prep!
Keto Meatball Casserole
Keto Meatball Casserole is the ultimate comfort food for busy families looking for a low-carb dinner option. This savory dish features tender meatballs made from ground turkey, blended with fresh zucchini and aromatic herbs, all nestled in a rich marinara sauce and topped with gooey melted cheese. It’s quick to prepare, making it perfect for weeknight meals or special occasions. With every bite, you’ll enjoy a satisfying combination of flavors and textures that will delight both kids and adults alike. Plus, it’s easy to customize by adding your favorite vegetables or spices, ensuring everyone at the table will love it!
- Prep Time: 15 minutes
- Cook Time: 40 minutes
- Total Time: 55 minutes
- Yield: Serves approximately 6 people 1x
- Category: Main
- Method: Baking
- Cuisine: American
Ingredients
- 1 lb ground turkey
- 1 shredded zucchini (about 1 cup)
- 1 egg
- 2 tsp dried minced onion
- 2 tsp dried minced garlic
- 2 tsp dried basil
- 1 tsp salt
- 1 cup marinara sauce
- 1 cup shredded mozzarella cheese
- 1/3 cup grated parmesan cheese
- 8 oz shredded cheese (two cheese pizza blend of mozzarella and provolone)
Instructions
- Preheat your oven to 400°F (200°C) and spray a casserole dish with cooking spray.
- In a mixing bowl, combine ground turkey, shredded zucchini, egg, dried minced onion, dried minced garlic, dried basil, and salt. Mix well and form into about 24 meatballs.
- Place meatballs in the casserole dish and bake for 30 minutes or until cooked through. Drain any excess liquid.
- Top meatballs with marinara sauce and sprinkle with mozzarella and parmesan cheeses. Bake for an additional 10-15 minutes until cheese is melted.
- For added crispiness, broil for 3-4 minutes while watching closely.
Nutrition
- Serving Size: 1 cup (240g)
- Calories: 350
- Sugar: 6g
- Sodium: 750mg
- Fat: 20g
- Saturated Fat: 8g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 8g
- Fiber: 2g
- Protein: 30g
- Cholesterol: 90mg