This Easy Low Carb Ground Turkey Zucchini Casserole recipe combines seasoned turkey, tender zucchini, and bubbly cheese in one family dinner.

Easy Low Carb Ground Turkey Zucchini Casserole Recipe

The cheese comes out bubbling at the edges, with golden zucchini rounds tucked over a creamy layer of well-seasoned ground turkey. This Easy Low Carb Ground Turkey Zucchini Casserole recipe is warm, filling, and practical enough for a weeknight when you want comfort food without pasta, rice, or a pile of dishes.

The zucchini stays tender instead of watery, and the turkey filling is creamy without becoming heavy. Add a simple salad on the side, and dinner is ready.

Why You’ll Love This Recipe

• High in protein and satisfying: Ground turkey and plenty of cheese make each serving hearty enough for dinner.
• Low-carb without unusual ingredients: There are no breadcrumbs, pasta, potatoes, or specialty flour substitutes.
• A good use for fresh zucchini: Salting the slices first removes excess moisture and keeps the casserole from turning watery.
• Easy to prepare ahead: Assemble it earlier in the day, refrigerate it, and bake when everyone is ready to eat.

Recipe Card Summary

• Prep Time: 20 minutes
• Cook Time: 35 minutes
• Resting Time: 10 minutes
• Total Time: 1 hour 5 minutes
• Servings: 6
• Yield: One 9-by-13-inch casserole
• Category: Dinner
• Method: Stovetop and baking
• Cuisine: American
• Recipe Style: Modern-Easy

Easy Low Carb Ground Turkey Zucchini Casserole Recipe Ingredients

For the Zucchini

• 3 medium zucchini, about 2 pounds
• ¾ teaspoon salt, divided
• 1 tablespoon olive oil

For the Ground Turkey Filling

• 1½ pounds ground turkey
• 1 small yellow onion, finely chopped
• 3 garlic cloves, minced
• 1 teaspoon Italian seasoning
• ½ teaspoon smoked paprika
• ½ teaspoon ground black pepper
• ¼ teaspoon crushed red pepper flakes, optional
• 4 ounces cream cheese, softened
• ¼ cup heavy cream
• ⅓ cup grated Parmesan cheese

For the Cheese Topping

• 1½ cups shredded mozzarella cheese
• 1 cup shredded sharp cheddar cheese
• 1 tablespoon grated Parmesan cheese
• 1 tablespoon chopped fresh parsley or chives, optional

How to Make Ground Turkey Zucchini Casserole

1. Prepare the zucchini.
   Trim the ends from the zucchini and cut them into rounds approximately ¼-inch thick. Spread the slices over paper towels or clean kitchen towels.Sprinkle them with ½ teaspoon salt and let them rest for 15 minutes. The salt draws out water that might otherwise collect in the bottom of the casserole.
2. Heat the oven.
   Preheat the oven to 400°F. Lightly grease a 9-by-13-inch baking dish with olive oil or nonstick cooking spray.
3. Dry the zucchini.
   Blot both sides of the zucchini slices thoroughly with paper towels. They do not need to be completely dry, but removing the visible moisture makes a noticeable difference.
4. Brown the ground turkey.
   Heat 1 tablespoon olive oil in a large skillet over medium-high heat. Add the ground turkey and chopped onion.Cook for 7 to 9 minutes, breaking the turkey into small crumbles with a wooden spoon. Continue until the turkey is fully cooked and the onion is soft.
5. Season the filling.
   Add the garlic, Italian seasoning, smoked paprika, black pepper, crushed red pepper flakes, and the remaining ¼ teaspoon salt.Cook for about 1 minute, stirring constantly, until the garlic smells fragrant.
6. Make the turkey mixture creamy.
   Reduce the heat to low. Add the softened cream cheese and heavy cream.Stir slowly until the cream cheese has melted and evenly coated the turkey. Mix in ⅓ cup Parmesan, then remove the skillet from the heat.
7. Build the first layer.
   Arrange half of the zucchini slices across the bottom of the prepared baking dish. Slightly overlapping the rounds is fine.Spoon the turkey mixture over the zucchini and spread it into an even layer.
8. Add the cheese.
   Sprinkle half of the mozzarella and half of the cheddar over the turkey filling.Arrange the remaining zucchini slices over the cheese, then add the remaining mozzarella, cheddar, and 1 tablespoon Parmesan.
9. Bake the casserole.
   Bake uncovered for 25 to 30 minutes. The cheese should be fully melted, and the casserole should be bubbling gently around the edges.
10. Brown the top.
    For a deeper golden finish, broil the casserole for 1 to 3 minutes. Stay close to the oven because the cheese can darken quickly.
11. Let it rest.
    Remove the casserole from the oven and let it stand for 10 minutes before cutting. This helps the creamy filling settle and makes the servings easier to lift from the dish.
12. Garnish and serve.
    Sprinkle with chopped parsley or chives. Serve warm with a green salad, roasted broccoli, cauliflower rice, or steamed green beans.

Recipe Notes and Helpful Tips

Prevent a watery casserole

Zucchini naturally contains a lot of moisture. Salting, resting, and blotting the slices is the most important step for preventing excess liquid.

Avoid slicing the zucchini too thinly. Very thin rounds soften quickly and release more water during baking.

Choose the right ground turkey

Ground turkey labeled 85% to 93% lean works best. Extra-lean turkey can become dry, while a slightly higher fat content keeps the filling tender and flavorful.

Ground chicken or lean ground beef may be used in the same amount.

Change the cheese

Mozzarella provides the stretchy texture shown in a classic cheesy casserole. Cheddar adds more flavor.

Monterey Jack, Colby Jack, provolone, or a shredded Italian cheese blend can replace either one.

Add more vegetables

Cooked mushrooms, chopped spinach, or diced bell peppers can be added to the turkey filling. Sauté watery vegetables before assembling the casserole so they do not release extra liquid in the oven.

Make it ahead

Prepare and assemble the casserole up to 24 hours before baking. Cover it tightly and refrigerate.

Let the dish sit at room temperature while the oven heats, then add about 5 minutes to the baking time.

Storage and reheating

Store leftovers in an airtight container in the refrigerator for up to four days.

Reheat individual portions in the microwave, or cover the baking dish with foil and warm it at 350°F for 15 to 20 minutes. Uncover it for the last few minutes to refresh the cheese topping.

Frequently Asked Questions

How do you keep zucchini casserole from getting watery?

Salt the sliced zucchini, let it rest for 15 minutes, and blot it well before assembling the casserole. Cooking uncovered also allows some moisture to evaporate.

Can I use frozen zucchini?

Fresh zucchini is best because frozen zucchini becomes much softer and releases more water. When frozen zucchini is your only option, thaw it completely and squeeze out as much liquid as possible.

Is ground turkey zucchini casserole low in carbohydrates?

This recipe does not contain pasta, rice, potatoes, breadcrumbs, or flour. The primary carbohydrates come naturally from the zucchini, onion, garlic, dairy products, and seasonings.

Can I freeze this casserole?

You can freeze it, although the zucchini will become softer after thawing. Cool the baked casserole completely, wrap it tightly, and freeze it for up to two months. Thaw overnight in the refrigerator before reheating.

A Weeknight Casserole Worth Repeating

That combination of browned cheese, tender zucchini, and creamy turkey makes this casserole feel far more indulgent than its simple ingredient list suggests. Give it a few minutes to settle after baking, then scoop out a warm serving while the cheese is still soft and stretchy.

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