- For stabilizing whipped egg whites: ⅛–¼ tsp lemon juice per egg white (King Arthur Baking)Adds the same acid that keeps meringues stable; barely tastes through the bake.
Cream of tartar substitutes
Tested swaps for cream of tartar, with ratios and sources.
Measure substitutes by weight where you can. The Cream of tartar converter gives the grams.
Note: our substitutions are direct, not chained — we don't recommend substituting a substitute.