Cook, drain and crumble bacon; set aside. Separate rolls into 4 rectangles and press into 2 well-greased and floured 8-inch square pans. Place 2 cheese slices over dough in each pan. Combine eggs, milk and onion; pour 1/2 milk mixture over cheese in each pan. Sprinkle 1/2 bacon and parsley over each pan. Bake at 425 degrees F for 15 to 18 minutes. Cut into 2-inch squares.