When you roast the flours of grains, legumes, seeds, and nuts in chips and crackers, they don’t need any salt, sugar, or fat to be tasty. Just like roasted vegetables, the roasted flavors are really delicious, roasting greatly enhances the flavors of these flours. This is why you can get away with not adding butter, salt, or sugar.
There’s a tremendous variety of roasted flavors to experiment with too. In addition to wheat flour, there’s amaranth, barley, buckwheat, brown rice, corn, millet, oats, quinoa, rye, spelt, teff, triticale, and wild rice flours you can mill at home, buy online and find at many grocery stores.
Plus there are the flours made from legumes (beans & lentils), such as red, green, French, Chana, garbanzo, and so on.