-
Preheat oven 350°F. Cook pasta al dente according to package instructions and drain.
-
Meanwhile, in a large skillet over medium high heat, brown sausage, onions and garlic for 5 to 6 minutes, or until cooked through, stirring until small sausage crumbles form. Add Pasta Sauce and stir until well mixed. Spoon half of sauce mixture evenly into bottom of 13x9 baking dish.
-
In a medium bowl, mix together 1 cup of mozzarella cheese, ricotta cheese, Parmesan cheese and egg. Stuff each shell with about 2 Tbsp. of cheese mixture. Arrange stuffed shells in baking dish and spoon remaining sauce mixture evenly on top.
-
Cover tightly with aluminum foil and bake for 30 minutes. Remove foil and sprinkle remaining 1 cup of mozzarella cheese and parsley on top. Bake for additional 5 minutes, or until cheese is melted. Allow to rest for 5 minutes before serving.