McCormick Gourmet Non-GMO Kosher All Natural Cream Of Tartar, 2.62 oz Bottle McCormick Gourmet Cream of Tartar is an essential ingredient for bakers Non GMO Stabilizes beaten egg whites resulting in light and fluffy desserts For angel food cake, meringues, macarons and 7-minute frostings A pinch helps prevent homemade whipped cream from deflating Prevents sugar syrup crystallization; a must for soft, chewy snickerdoodles Use to make your own baking powder or copper cleaner This product is in a Glass Bottle