Manicotti with Cheese

14 pieces San Giorgio manicotti, uncooked        
2 Tbs chopped fresh parsley
1-3/4 cups (15 oz) part-skim ricotta cheese          ½ tsp salt
2 cups (8 oz) shredded mozzarella cheese           
¼ tsp pepper
¼ cup grated parmesan cheese                            
3 cups (30 oz jar) spaghetti sauce
1 egg, slightly beaten

Cook pasta according to package directions; drain.  Lay flat on foil to cool.  Heat oven to 350º.  In large bowl, stir together cheeses, egg, parsley, salt and pepper; spoon into cooled pasta tubes.  Spread thin layer of sauce on bottom of 13x9x2 glass baking dish; arrange pasta in single layer over sauce.  Pour remaining sauce over pasta; cover with foil.  Bake 40 minutes.  Remove foil; bake 15 minutes longer or until hot and bubbly.  Serves 6 to 8.