That little jar of powder can definitely come in handy. Victoria Popova / Getty Images There are those go-to ingredients you pull out time and time again—and then there's cream of tartar. Odds are, ...

Cream of tartar is a white, powdery ingredient also known as potassium bitartrate, which is often used in baking to stabilize egg whites, prevent sugar from crystallizing, and aid in leavening. But ...

Stephanie shows you how cream of tartar is used in the kitchen! Cream of tartar may have a misleading name. It's not cream and it's not an ingredient in tartar sauce. However it is an important ...