Thanks for all the suggestions- I’ll check them out, and let you know!
I got advice from a very handsome young man in the organic food shop here, and paid quite a few euros for three different non-gluten flours plus a packet of something that’s meant to help it rise.
As I was leaving he said cheerfully “Do take a photo if you get it to work, and pop back to see me —- mine always turn out like bricks.”
Hmm.
34 year old assisted euthanasia