Little is known about the several uses of this product called cream of tartar. So before we take a look at what you can substitute it with let's take a look at its uses in cooking and other areas.
Adding Volume to the Final Product: Cream of tartar is mainly used to add volume to the frothy and airy texture of egg whites. The combination used is 1/8th of a teaspoon for every egg white.
Giving a Smooth Texture to Frosting: To attain a smooth and creamy texture for frosting and icing, using cream of tartar is a good option as it prevents the crystallization of sugar.
A Substitute for Other Foods: If you require a substitute for baking powder, cream of tartar can be used along with baking soda.
Cleaning Household Items: In the house, using cream of tartar with lemon juice can help remove some stains from clothing. It can also be used to clean brass, copper and other pots and pans, when used with vinegar.