Preheat oven to 375. Cook noodles according to package directions. Drain noodles and rinse with cold water. Mix ricotta, egg, parsley and 1 cup mozzarella in a bowl; set aside. Cook sausage in a skillet over medium heat until browned and crumbly; drain fat. Spread 1/2 cup sauce in a 9 X 13" baking dish. Spread 3 tbsp ricotta mixture on each noodle; top with some sausage. Roll up each noodle. Arrange seam sides down in baking dish. Top roll-ups with remaining sauce and mozzarella. Bake loosely covered, for 15 minutes. Remove cover; bake for 10 minutes longer or until brown and bubbly.