Reply To: Blech on a glasstop oven? Home › Forums › Shabbos! › Blech on a glasstop oven? › Reply To: Blech on a glasstop oven? September 8, 2010 5:56 am at 5:56 am #695061 hello99Participant It may be possible, but I know number of people who cracked theirs. Better to use a hot plate.