Barley flour is a type of flour made from grinding barley grains. It is used as an alternative to regular flour in cooking and baking recipes. Full definition
I love the addition of barley flour — this isn't one I have used yet. (alisacooks.com)
I'm wondering what the crust would be like with barley flour instead of rye. (101cookbooks.com)
I used maple syrup instead of honey & barley flour instead of flax meal (didn't have those on hand) & baked them in mini muffin tins. (triedandtasty.com)