Is cream of tartar vegan? What every baker should know is that this pantry staple is derived from the sediment left in winemaking, making it plant-based and perfect for your vegan recipes! While it stabilizes whipped egg whites, giving your meringues a lift, it's also a powerhouse for your baking adventures. Grab that jar, and let's dive into why this tangy ingredient deserves a spot in your vegan kitchen!