Cream of tartar is used to stabilize egg whites, keep sugar from crystalizing, and as a leavener. Using lemon juice, vinegar, or baking powder as a substitute depends on the recipe.
Cream of Tartar Substitutes for Baking
Cream Of Tartar: A Lime Juice Substitute?
What Is Cream of Tartar?, Easy Baking Tips and Recipes: Cookies, Breads & Pastries : Food Network
How to Substitute Cream of Tartar: 8 Steps (with Pictures)
Snickerdoodles Without Cream of Tartar - Aubrey's Kitchen
What is Cream of Tartar? - Sugar Spun Run
What is Cream of Tartar? - Sugar Spun Run
What Is Cream of Tartar?, Easy Baking Tips and Recipes: Cookies, Breads & Pastries : Food Network
Cream of Tartar Substitutes for Meringues, Cookies, Frostings and More - Food Shark Marfa
Snickerdoodles With Cream of Tartar Substitute - Cookie Dough Diaries
Cream Of Tartar Substitute - Recipes From A Pantry
What Is Cream of Tartar?