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Cheese Lover's Zucchini Casserole

Cheese lover's zucchini casserole tastes like pizza! It only takes minutes to assemble. Then it bakes while while you prepare the rest of your meal.
Course Side Dish
Cuisine American
Keyword zucchini casserole, zucchini side dish ideas
Prep Time 10 minutes
Cook Time 45 minutes
Total Time 55 minutes
Servings 6
Calories 106kcal


  • 2 tablespoons extra-virgin olive oil
  • salt and pepper to taste
  • 1 pound of zucchini sliced
  • 2 cups shredded mozzarella cheese divided
  • 2 tablespoons gluten free marinara sauce homemade or jar
  • grated parmesan cheese


  • Preheat oven to 400℉
  • Line a baking pan with parchment paper. Toss zucchini with olive oil. Then spread the zucchini slices on the parchment-lined baking pan, season with salt and pepper and roast until they are just starting to brown, about 10-15 minutes.
  • Turn oven down to 350℉
  • Spread 2 tablespoons of marinara sauce in bottom of a casserole dish. Arrange one layer of zucchini over sauce, sprinkle mozzarella and top with another layer of zucchini and then mozzarella cheese again.
    Bake for 25 minutes.
  • Top with marinara sauce.
  • Sprinkle with parmesan cheese and serve as a vegetable with your favorite entree!



  • You can use this mandoline slicer to cut your zucchini. I love this simple tool for cutting up thin strips. 
  • Roasting your zucchini will keep the casserole from becoming watery. Since ovens vary, please watch to be sure your zucchini doesn't burn.


Calories: 106kcal | Carbohydrates: 4.4g