Inside Out Pizza Casserole | Prego® Sauces

Ingredients

• 1 tablespoon vegetable oil
• 1  pound bulk pork sausage
• 1 package (8 ounces) sliced mushrooms
• 1 large onion, chopped (about 1 cup)
• 1 1/2 cups Prego® Pizzeria Style Pizza Sauce
• 4 ounces sliced pepperoni, coarsely chopped
• 2 cups shredded mozzarella cheese(about 8 ounces)
• 1/2 cup grated Parmesan cheese
• 1 unbaked crust (1/2 of a 15-ounce package) refrigerated pie crust, at room temperature