Glicks® Finest Pure All Natural Potato Starch. For baking and cooking. Kosher®. All natural with you in mind®. Glicks is delighted to bring you a complete line of quality kosher food products for passover and year round. At Glicks, we insist on the finest ingredients, setting the highest standards to ensure that all of our products always live up to our name... Glicks finest. Kosher for passover and for year round use.