All Purpose Gluten Free Flour Mix Recipe Becoming “gluten-free” is gaining popularity. Gluten is a protein in wheat grains such as spelt, einkorn, farro, barley, rye and triticale. Some people with gluten sensitivities (celiac disease or gluten intolerance) have a hard time digesting gluten, exhibiting symptoms such as bloating, diarrhoea, and even muscular cramps when …