Non-GMO Project Verified Wine Cask Crystallized Kosher Non-GMO Non-ETO* Non-Irradiated An indispensable ingredient in baking, Frontier® Cream of Tartar acts as a leavening agent in cakes, quick breads and souffles when combined with baking soda and water. An essential ingredient in Snickerdoodle cookies, it also aids in stiffening egg whites -- just add a pinch of cream of tartar while beating.*ETO (ethylene oxide) is a sterilization chemical commonly used in the spice industry, but never by Frontier Co-op.
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