Slowly and naturally leavened with einkorn sourdough starter, jovial Organic Einkorn Sourdough Everything Crackers are made in a 24-hour process without commercial yeast or chemical leavening agents. We’ve combined a true sourdough process with einkorn, nature’s original wheat, to yield the most delicious, nutritious, and digestible wheat cracker available. Einkorn is genetically pure and just as nature intended, so snack away! Einkorn is the world's most ancient grain and the only one never hybridized.