Preheat oven to 350°F. Cook pasta as directed on package. Drain and return to saucepot. Gently stir in 1 1/2 cups of the tomato sauce, ricotta cheese, mozzarella cheese, egg, Italian seasoning, garlic powder, salt and pepper until well mixed.
Spoon into 13x9-inch baking dish sprayed with no stick cooking spray. Top with additional 1 1/2 cups of the pasta sauce and Parmesan cheese. Cover with foil.
Bake 30 minutes or until heated through. Serve with remaining 3 cups tomato sauce or freeze sauce for later use
All recipe ingredients should be cooked to a safe internal temperature according to USDA guidelines. After preparing a recipe, please store any leftovers in the refrigerator.