In skillet, cook sausage until crumbled and browned; drain and set aside. Press crescent roll dough over bottom and up sides of ungreased 12″ pan or 9×13″ pan; sealing perforations completely. Spoon sausage over crust; sprinkle with potatoes. Top with Cheddar cheese; set aside. Beat together eggs, milk, salt and pepper in mixing bowl; pour over filling. Sprinkle with Parmesan cheese. Bake at 375°F for 20 to 25 minutes. Serves 6 to 8.