"john south" > wrote in message
...
> After preparing and partially boiling vegetables and meat, they were then
> put in a large glass bowl and it was placed on top of a gas hob to bring
> them to
> the boil. That was prior to placing it in the oven to make an oven
> casserole.
>
> This practice has been done by me quite a few times before. I've always
> assumed that a Pyrex bowl can be placed on a gas ring and the contents
> boiled, because someone I know has Pyrex glass saucepans, that they use to
> boil things in.
>
> However the wife doesn't think that these glass bowls should undergo this
> kind of treatment on top of the gas rings.
>
> Today using a smoky dark coloured glass bowl which I don't think I've used
> before,
> but I really thought it was an oven proofed bowl. It suddenly completely
> collapsed into pieces as I placed it in the oven. What a mess.........
>
> My question is not whether this was really an oven proofed glass dish,
> since
> i guess we will never know for sure.
>
> But is the wife right in saying this is a very *risky* procedure, putting
> a
> pyrex glass bowl over a gas ring to boil things? Even though i always
> start on
> the minimum heat so as to minimize any strains on the glass. So would
> you think that this is safe to do, or not? Thanks.

I'm with your wife on this one!