METHOD
Preheat oven to 350°F.
In a large bowl, mix together half the mozzarella, the ricotta, the parmesan, the Romano, and the milk.
Stir in the cooked penne and the remaining ingredients, except the remaining mozzarella and the zucchini.
Grease a 12"x9" (2-3 qt.) deep casserole dish. Add half the mixture evenly and layer half the zucchini slices evenly. Layer the remainder of the mixture, add the remainder of the zucchini and top with the mozzarella.
Bake for thirty minutes.
Serves: 4 to 6
Contributor: Junior Trimmer
this recipe from www.inmamaskithchen.com