Good news: you have choices.
Cream of tartaris an oft-overlooked pantry staple.
Which swap you make will depend on what purpose the cream of tartar is serving in your particular recipe.
Alison Bickel
When substituting for cream of tartar, youll need to use four times more vinegar.
For Preventing Crystallization, Use Corn Syrup
Cream of tartar also provides some security when boiling sugar.
Found in the baking aisle, corn syrup is very good at preventing crystallization.
Cambrea Gordon
Swap 1/4 of the sugar in your recipe for corn syrup and omit the cream of tartar.