Step 1

Thinly slice the zucchini using a mandoline slicer (tips in post)). Preheat a grill or grill pan to medium heat and lightly spray the cooking surface with oil and grill the zucchini 1-2 minutes on each side until they have begun to brown and there is very little steam coming off the zucchini.

Step 2

Preheat the oven to 400 degrees F.

Step 3

Place the grilled zucchini in a greased 11x7 baking dish. Top the zucchini with cooked Italian sausage, marinara and sliced fresh mozzarella.

Step 4

Bake for 20-25 minutes or until the cheese is bubbly. Top the casserole with parmesan, 1 teaspoon Italian seasoning, salt and pepper to taste.

Step 5

Allow the casserole to sit 10 minutes before slicing to allow it to reabsorb some of the liquid.