Shortbread cookies, made with no gluten ingredients, with a creamy dulce de leche center. We use a mixture of rice flour, tapioca flour, potato and corn starch to make some of the best no gluten cookies out there. Seriously, these are moist, not crazy dense, and downright delicioso! Recommended Shelf Life: 30 days. Our products are best if consumed immediately as they do not include preservatives, artificial flavors or compounds, however you can freeze them and enjoy them up to six months later.8