You can make your own blend of flours or ground nuts and flours. Adding sorghum or tapioca flour to a blend increases softness and absorbency, which is ideal for lighter cakes and pastries.
Howard made these gluten-free ginger biscuits to accompany his ginger cheesecakes, cutting out some of the dough into house-shaped biscuits. But the recipe is ... Beat the egg with the two syrups ...