Kodiak Cakes Frontier Oat gluten-free flapjack and waffle Mix is crafted in the Frontier tradition using 100% whole grains. This whole grain oat flour makes each flapjack and waffle a great-tasting source of nourishment you need to tackle whatever your day brings. And, like everything at Kodiak Cakes, our Frontier Oat mix is made with non-GMO ingredients and is free of preservatives and artificial additives because, to us, simple is better.