Sourdough and Spice Einkorn sourdough starter, butter, eggs, coconut sugar, oats, and the warm spices of Ceylon cinnamon and nutmeg come together in this soft, chewy, wholesome cookie. Einkorn, a Tender Ancient Grain Because of einkorn’s unique makeup, this low-gluten grain has desirable qualities when it comes to cookies, cakes, and pastries. It produces a …