Spray a 9 x 13 pan or aluminum half sheet tin and spray lightly with non-stick spray Add about half the jar of sauce and 2 tablespoons of water to bottom of pan. Cook the pasta about 9 minutes (slightly undercooked) Combine the ricotta cheese, Parmesan Cheese, egg, basil, and parsley. Mix well. Drain the pasta and run under cool water Fill each shell with cheese mixture Place each shell seem side down in pan Pour remaining sauce over the shells Top with mozzarella cheese Cover with foil. Label with name of recipe, cooking instructions, and prep date (Can freeze up to 3 months) When ready to reheat, bake at 350 degrees for 45 minutes