Preparing Savory Ground Turkey Zucchini Casserole is a breeze when you follow these straightforward steps:

1. Preheat the Oven: Set your oven to 350°F (175°C).
2. Sauté Vegetables: In a large skillet, heat olive oil over medium heat. Add diced onions and sauté until they become translucent.
3. Add Garlic: Stir in minced garlic, cooking for another minute until fragrant.
4. Cook the Turkey: Add the ground turkey to the skillet. Cook until browned and fully cooked through, breaking it up into smaller pieces as it cooks.
5. Incorporate Zucchini: Add sliced zucchini into the mixture and stir well. Cook for about 5–7 minutes until zucchini is tender.
6. Mix in Tomatoes: Pour in the diced tomatoes, Italian seasoning, salt, and black pepper. Stir thoroughly to combine. Cook for an additional 2–3 minutes.
7. Layer Casserole: In a greased 9×13 inch baking dish, layer the turkey and zucchini mixture evenly, then top with corn if you’re using it.
8. Add Cheese: Sprinkle shredded mozzarella cheese generously on top of the casserole.
9. Bake: Place the dish in the preheated oven and bake for 25–30 minutes, or until the cheese is melted and bubbly.
10. Cool and Garnish: Once done, remove the casserole from the oven and let it cool for about 5–10 minutes. Garnish with fresh basil if desired before serving.

These simple steps will guide you to a delightful Savory Ground Turkey Zucchini Casserole that is sure to become a beloved staple in your home.