nnnngh( The sound of biting tongue and preparing to be polite)
If it is gluten free, there are yesh omrim (more than one) that it is not matzoh, never mind the taste. For the newly diagnosed celiac, ones rachamana patrei, and vochai bohem is as much Torah as matzo.
On the nut allergy, prepare to do lots of potato starch/egg cookies. I, having worked in the entrails of the food service industry have seen all manner of carelessness, and traces and cross contamination is just doing business as usual. If there was an allergy to roach legs, we would all be in trouble.