Although spelt is actually a type of wheat flour, most people with wheat allergies can digest spelt flour with no problem. Obviously, you should not eat spelt if it is a problem for you.
The first instruction image was my first attempt at this bread. It tasted great, but was pretty ugly because I did not brush the crust with any milk, butter or egg. The other images were my second attempt. I made a batch and a half and baked it for 30 minutes. I forgot to cut the cross in the top of the loaf, but brushed it with butter before baking and shaped it better with my hands. It is a much prettier loaf.
I made a double batch, used the same medium sized cast iron skillet and baked it for 35 minutes. It was perfectly done!