On 21/01/2020 21:56, S Viemeister wrote:
On 1/21/2020 3:16 PM, polygonum_on_google wrote:

Some jam making people do things like put baking parchment (or
similar) underneath the jam pan.

Yes, baking parchment works well, or the silicone mats sold for lining
pans. Good for protecting the surface when using cast iron, too.

There are many suggestions out there - vinegar, some scrapers, bicarb,
etc.

Best to avoid it with a layer of protection.
I use wet and dry abrasives. The ceramic is not scarred, but it eats
away at the baked on carbon


(I was under the impression that if seriously burned on, it will
actually react with the glass.)




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