Corned Beef Quiche 2

Prebake pie shell at 375ºF.  for 7 minutes, remove from oven, set aside. Reduce oven temperature to 325. Crumble corned beef hash into pie shell, sprinkle onion over meat, top with Swiss cheese. Combine remaining ingredients, pour over  hash and cheese. Bake 35-40 minutes or until set. Cool 20 minutes before serving.