Is there any substitute for cream of Tartar?

 Cream of Tartar is mainly used in baking and thus forms an important ingredient. It is a by-product of wine-making that comprises of potassium acid salt of tartaric acid. Cream of Tartar helps stabilizing egg whites and also in prevention of sugar crystallization.

In case you don't have Cream of Tartar and the recipe calls for its, then substitute it with white vinegar. White vinegar should be used in same proportion as that of the Cream of Tartar asked in any recipe.