Ground Beef Zucchini Bake (Low Carb) Recipe
Introduction
This Ground Beef Zucchini Bake is a delicious low-carb dish perfect for weeknight dinners. Combining tender zucchini, savory ground beef, and melted cheese, it’s both hearty and healthy. Easy to prepare and packed with flavor, it’s sure to become a family favorite.

Ingredients
- 1½ lbs zucchini, cut into rounds, salted and patted dry
- 1 tbsp olive oil
- 1 medium onion, diced
- 8 oz mushrooms, diced
- ½ tsp salt
- ½ tsp garlic powder
- ½ tsp onion powder
- 1 lb ground beef
- ½ tsp paprika
- 1 cup marinara sauce
- 1½ cups shredded mozzarella cheese
- 2 tsp Italian herb blend
- 2 tbsp grated Parmesan cheese
Instructions
- Step 1: Preheat your oven to 400°F (200°C).
- Step 2: Salt the zucchini rounds and let them sit for 15 minutes, then pat them dry to remove excess moisture.
- Step 3: Heat olive oil in a skillet over medium heat and sauté the diced onions for 2–3 minutes until softened.
- Step 4: Add the diced mushrooms to the skillet and cook for another 4–5 minutes. Season with salt, garlic powder, and onion powder.
- Step 5: Transfer the cooked vegetables to a plate. In the same skillet, brown the ground beef until no longer pink.
- Step 6: Stir in additional salt, garlic powder, onion powder, and paprika into the beef. Taste and adjust seasoning as needed.
- Step 7: In a 9×13-inch baking dish, combine the zucchini, cooked vegetables, ground beef, marinara sauce, 1 cup of shredded mozzarella, Italian herb blend, and a pinch of salt and pepper. Mix gently to combine.
- Step 8: Sprinkle the grated Parmesan cheese evenly over the top and bake for 30 minutes.
- Step 9: Remove the dish from the oven, sprinkle the remaining ½ cup of mozzarella cheese on top, and bake until the cheese is melted and bubbly, about 5–7 minutes more.
Tips & Variations
- For extra flavor, add fresh basil or oregano to the marinara sauce before baking.
- Try substituting ground turkey or chicken for a leaner protein option.
- If you prefer softer zucchini, sauté the rounds briefly before assembling the bake.
- Add red pepper flakes for a touch of heat.
Storage
Store leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, cover with foil and bake at 350°F until warmed through, or microwave in shorter intervals to prevent sogginess.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I make this dish ahead of time?
Yes, you can assemble the bake a day ahead and refrigerate it before baking. Add the final mozzarella topping just before baking to keep the cheese fresh.
Is this recipe suitable for a low-carb diet?
Absolutely! This bake uses zucchini instead of high-carb pasta or potatoes, making it a great low-carb, keto-friendly meal option.
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Ground Beef Zucchini Bake (Low Carb) Recipe
- Total Time: 1 hour
- Yield: 6 servings 1x
- Diet: Low Carb
Description
A delicious low-carb Ground Beef Zucchini Bake featuring sautéed vegetables, seasoned ground beef, and layers of cheese baked to perfection. This hearty casserole is perfect for a comforting, healthy dinner that’s rich in flavor and low in carbohydrates.
Ingredients
Vegetables
- 1½ lbs zucchini, cut into rounds, salted and patted dry
- 1 medium onion, diced
- 8 oz mushrooms, diced
Meat and Sauce
- 1 lb ground beef
- 1 cup marinara sauce
Seasonings
- 1 tbsp olive oil
- ½ tsp salt, plus additional to taste
- ½ tsp garlic powder
- ½ tsp onion powder
- ½ tsp paprika
- 2 tsp Italian herb blend
- Salt and pepper to taste
Cheeses
- 1½ cups shredded mozzarella cheese (divided)
- 2 tbsp grated Parmesan cheese
Instructions
- Preheat Oven: Preheat your oven to 400°F (200°C) to get it ready for baking the casserole.
- Prepare Zucchini: Salt the zucchini rounds and set aside for 15 minutes. Afterward, pat them dry to remove excess moisture, which helps prevent the dish from becoming soggy.
- Sauté Onions: Heat olive oil in a skillet over medium heat. Add diced onions and sauté for 2–3 minutes until they start to soften and become translucent.
- Cook Mushrooms: Add diced mushrooms to the skillet and cook for another 4–5 minutes. Season the vegetables with salt, garlic powder, and onion powder for enhanced flavor.
- Brown Ground Beef: Transfer the cooked vegetables to a plate. In the same skillet, add the ground beef and cook until browned and no longer pink, breaking it up as it cooks.
- Season Ground Beef: Stir in salt, garlic powder, onion powder, and paprika into the ground beef. Taste and adjust seasoning as needed to ensure the meat is flavorful.
- Assemble Casserole: In a 9×13-inch baking dish, combine the salted zucchini rounds, sautéed vegetables, seasoned ground beef, marinara sauce, 1 cup of shredded mozzarella cheese, Italian herb blend, salt, and pepper. Mix gently to distribute ingredients evenly.
- First Bake: Sprinkle the grated Parmesan cheese evenly over the top. Bake in the preheated oven for 30 minutes until the casserole is bubbly and heated through.
- Add Remaining Cheese and Finish Baking: Remove the casserole from the oven and sprinkle the remaining ½ cup mozzarella cheese on top. Return to the oven and bake until the cheese is melted and slightly golden, about 5–7 minutes more.
Notes
- Salting and drying the zucchini helps reduce excess moisture and prevents the bake from becoming watery.
- You can substitute ground turkey or chicken for a leaner meat option.
- Use store-bought or homemade marinara sauce based on your preference.
- For a spicier kick, add crushed red pepper flakes when seasoning the ground beef.
- Let the casserole rest for 5 minutes after baking to set before serving.
- Prep Time: 20 minutes
- Cook Time: 40 minutes
- Category: Main Course
- Method: Baking
- Cuisine: American
Keywords: ground beef zucchini bake, low carb casserole, baked ground beef recipe, zucchini bake, healthy dinner, low carb dinner

