Removing Stains from Corningware or Pyrex Jun 8, 2005 10:38:20 GMT -6 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by marlaoh on Jun 8, 2005 10:38:20 GMT -6 If you can't get stains out of Corningware or Pyrex, spray them with oven cleaner, following manufacturer's directions.