If you’re looking for a delicious and satisfying meal, the Keto Meatball Casserole is your answer. This dish combines juicy, flavorful low-carb meatballs with rich marinara sauce and melted cheese, making it the perfect choice for family dinners or gatherings. Not only is it easy to prepare, but it also caters to those following a keto diet without sacrificing flavor. Get ready to enjoy a comforting meal that everyone will love!

Jump to:
- Why You’ll Love This Recipe
- Tools and Preparation
- Essential Tools and Equipment
- Importance of Each Tool
- Ingredients
- For the Meatballs
- For Topping
- For Garnish
- How to Make Keto Meatball Casserole
- Step 1: Preheat the Oven
- Step 2: Prepare the Meatballs
- Step 3: Bake the Meatballs
- Step 4: Add Sauce and Cheese
- Step 5: Final Bake
- How to Serve Keto Meatball Casserole
- Pair with a Fresh Salad
- Enjoy with Low-Carb Bread
- Add Tasty Toppings
- How to Perfect Keto Meatball Casserole
- Best Side Dishes for Keto Meatball Casserole
- Common Mistakes to Avoid
- Storage & Reheating Instructions
- Refrigerator Storage
- Freezing Keto Meatball Casserole
- Reheating Keto Meatball Casserole
- Frequently Asked Questions
- Can I use different meats in my Keto Meatball Casserole?
- How do I make Keto Meatball Casserole dairy-free?
- What sides pair well with Keto Meatball Casserole?
- Can I prepare Keto Meatball Casserole ahead of time?
- Final Thoughts
- 📖 Recipe Card
Why You’ll Love This Recipe
- Flavorful and Satisfying: The combination of ground turkey and Italian sausage creates a rich taste that delights the palate.
- Low-Carb Delight: Perfect for keto dieters, this dish keeps carbs low while packing in protein.
- Easy to Prepare: With just a few simple steps, you can have a hearty meal ready in under an hour.
- Versatile Serving Options: Serve it alone or alongside your favorite low-carb sides for a complete meal.
- Family-Friendly: Kids and adults alike will love the cheesy goodness of this casserole.
Tools and Preparation
Having the right tools makes cooking easier and more enjoyable. Here’s what you’ll need to whip up this Keto Meatball Casserole.
Essential Tools and Equipment
- Casserole dish
- Mixing bowl
- Baking sheet
- Cooking spray
Importance of Each Tool
- Casserole dish: Perfect for baking and serving your meatball casserole all in one dish.
- Mixing bowl: A spacious bowl helps combine ingredients efficiently without mess.
- Baking sheet: Useful for draining excess liquid after baking the meatballs.
Ingredients
If you need family dinner this Meatball Casserole should be it. Flavorful low carb meatballs covered in sauce & cheese for the best meatball parmesan ever.
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 (I used a two cheese pizza blend of mozzarella and provolone)
For Garnish
- 2 tablespoons fresh parsley, finely chopped

How to Make Keto Meatball Casserole
Step 1: Preheat the Oven
Preheat your oven to 400°F (200°C). This ensures that your casserole cooks evenly throughout.
Step 2: Prepare the Meatballs
In a large mixing bowl, combine all the ingredients for the meatballs:
1. Add ground turkey, Italian sausage, shredded zucchini, egg, minced onion, 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 the meatballs in your preheated oven for about 30 minutes or until they are cooked through.
– Carefully drain any excess cooking liquid from the casserole dish afterward.
Step 4: Add Sauce and Cheese
Top the baked meatballs with marinara sauce and shredded cheese:
– Ensure even coverage to get that cheesy goodness throughout.
Step 5: Final Bake
Return the casserole to the oven for an additional 10-15 minutes or until the cheese has melted beautifully.
– Optional: You can broil it for 3-4 minutes at the end to toast the cheese. Watch closely as it can burn quickly!
Enjoy your delicious Keto Meatball Casserole!
How to Serve Keto Meatball Casserole
Keto Meatball Casserole is a delightful dish that can be enjoyed in various ways. Whether you want to keep it simple or add a bit of flair, here are some serving suggestions to enhance your dining experience.
Pair with a Fresh Salad
- Garden Salad: A mix of fresh greens, cucumbers, and cherry tomatoes drizzled with olive oil and vinegar.
- Caesar Salad: Crisp romaine lettuce tossed with keto-friendly Caesar dressing, parmesan cheese, and crunchy bacon bits.
Enjoy with Low-Carb Bread
- Garlic Breadsticks: Made from almond flour, these breadsticks are perfect for dipping into the marinara sauce.
- Zucchini Bread: A moist and flavorful option that complements the casserole beautifully.
Add Tasty Toppings
- Fresh Basil: Chopped basil adds a burst of freshness on top of the melted cheese.
- Crushed Red Pepper Flakes: Sprinkle for a spicy kick that pairs well with the savory flavors.
How to Perfect Keto Meatball Casserole
Creating the perfect Keto Meatball Casserole requires attention to detail. Here are some tips to ensure your dish turns out delicious every time.
- Bold Flavor Combinations: Consider adding herbs like oregano or thyme to enhance flavor depth.
- Moisture Control: Use lean ground turkey combined with sausage for moisture without extra carbs.
- Cheese Choices Matter: Experiment with different cheeses like gouda or cheddar for unique flavors.
- Don’t Skip the Zucchini: Adding shredded zucchini not only keeps carbs low but also adds moisture to meatballs.
- Monitor Cooking Time: Keep an eye on the meatballs; overcooking can lead to dryness.
- Broiling for Finish: Broil for a few minutes at the end for an appealing golden-brown cheese topping.

Best Side Dishes for Keto Meatball Casserole
Keto Meatball Casserole pairs well with several side dishes that complement its rich flavors. Here are some great options to consider.
- Steamed Broccoli: Lightly steamed broccoli adds color and nutrients without extra carbs.
- Cauliflower Rice: A great low-carb alternative that soaks up all the delicious sauce from the casserole.
- Roasted Brussels Sprouts: Crispy, seasoned Brussels sprouts provide a tasty crunch alongside your meal.
- Garlic Mashed Cauliflower: Creamy and flavorful, this dish mimics mashed potatoes but stays keto-friendly.
- Sautéed Spinach: Simple sautéed spinach with garlic is quick to prepare and full of nutrients.
- Cucumber Salad: A refreshing salad featuring cucumbers, red onion, and a light vinaigrette balances the richness of the casserole.
Common Mistakes to Avoid
When preparing Keto Meatball Casserole, it’s easy to make some common errors. Avoiding these mistakes will help ensure a delicious meal.
- Skipping the seasoning: Failing to season your meat mixture can lead to bland meatballs. Always add salt and spices to enhance flavor.
- Using the wrong ground meat: Not all meats work well for keto. Stick with options like ground turkey or Italian sausage for the best results.
- Overcrowding the casserole dish: Placing too many meatballs in the dish can lead to uneven cooking. Make sure there’s enough space between each meatball for proper heat circulation.
- Not draining excess liquid: Ignoring the cooking liquid can result in a watery casserole. Drain it carefully before adding sauce and cheese.
- Skipping broiling: For a crispy, golden cheese topping, don’t skip broiling at the end. Just keep an eye on it to prevent burning.
Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container for up to 3-4 days.
- Ensure the casserole has cooled completely before sealing.
Freezing Keto Meatball Casserole
- Freeze portions in airtight containers or freezer bags for up to 3 months.
- Label containers with the date for easy identification.
Reheating Keto Meatball Casserole
- Oven: Preheat to 350°F (175°C) and bake until heated through, about 20-25 minutes.
- Microwave: Heat individual portions on medium power for 2-3 minutes until warm.
- Stovetop: Place in a skillet over medium heat, stirring occasionally until hot.

Frequently Asked Questions
Can I use different meats in my Keto Meatball Casserole?
You can certainly mix meats! Ground beef or chicken are great alternatives that fit well within ketogenic guidelines.
How do I make Keto Meatball Casserole dairy-free?
To create a dairy-free version, substitute cheese with nutritional yeast or dairy-free cheese alternatives.
What sides pair well with Keto Meatball Casserole?
A fresh salad or steamed vegetables are excellent choices that complement this dish without adding carbs.
Can I prepare Keto Meatball Casserole ahead of time?
Yes! You can prepare it a day ahead and store it in the refrigerator until you’re ready to bake.
Final Thoughts
Keto Meatball Casserole is not only satisfying but also versatile, making it perfect for family dinners. With options to customize ingredients and side dishes, it’s easy to adapt this recipe to your taste. Give it a try; you won’t be disappointed!
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Keto Meatball Casserole
- Total Time: 1 hour
- Yield: Serves 6
Description
Keto Meatball Casserole is the ultimate comfort dish that combines juicy, low-carb meatballs with rich marinara sauce and gooey melted cheese. Ideal for family dinners or gatherings, this casserole caters to keto dieters without compromising on flavor. With its delightful blend of ground turkey and Italian sausage, every bite offers a burst of savory goodness. Plus, it’s incredibly easy to prepare, allowing you to whip up a hearty meal in under an hour. Serve it solo or alongside your favorite low-carb sides for an unforgettable dining experience that everyone will love.
Ingredients
- 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 cup marinara sauce
- 1 cup shredded mozzarella cheese
Instructions
- Preheat the oven to 400°F (200°C).
- In a mixing bowl, combine ground turkey, Italian sausage, shredded zucchini, egg, minced onion, garlic, basil, and salt. Mix until fully combined.
- Form about 24 meatballs and place them in a casserole dish.
- Bake for 30 minutes until cooked through; drain excess liquid.
- Top meatballs with marinara sauce and shredded cheese; return to oven for an additional 10-15 minutes until the cheese is melted.
- Prep Time: 15 minutes
- Cook Time: 45 minutes
- Category: Main
- Method: Baking
- Cuisine: Keto
Nutrition
- Serving Size: 1 serving
- Calories: 380
- Sugar: 4g
- Sodium: 850mg
- Fat: 24g
- Saturated Fat: 10g
- Unsaturated Fat: 12g
- Trans Fat: 0g
- Carbohydrates: 8g
- Fiber: 2g
- Protein: 30g
- Cholesterol: 110mg