Cook spinach according to package directions. Unroll crescent rolls and press into a 10-inch quiche pan or 10-inch pie pan to form a crust. Sprinkle cheese evenly over the crust. In a bowl, combine eggs, milk, Worcestershire sauce, onion, salt and pepper. Stir in creamed spinach, mushrooms and half the bacon. Pour over cheese in the crust. Sprinkle with Parmesan. Bake in preheated 350° oven for 20 minutes. Sprinkle remaining bacon over top of quiche. Bake an additional 20 to 25 minutes, or until knife inserted in center comes out clean. Serves 6 to 8 people. This dish is lovely with a salad for lunch or a light supper. Tip: If a deep quiche pan is used, add several minutes to baking time to insure doneness.