*hugs* s'ok. It's not exactly your fault - to some extent it's unreasonable to expect you to vet each and every ingredient before cooking for a coeliac, not least because it's not even conveniently possible due to the Coeliac Society's tight restrictions on their GF foods database. One of these days I'm going to get round to complaining about that to them.

The only thing I can sensibly do about it is vet the ingredient list myself before people start cooking for me - and that's a pretty hostile and ungrateful way to treat a host...