Best Substitutes for Cream of Tartar
Cream of tartar is a dry acid (potassium bitartrate) used to stabilize whipped egg whites, activate baking soda, and prevent sugar crystallization.
Substitutes by Use Case
Stabilizing egg whites (meringue)
½ tsp lemon juice = ¼ tsp cream of tartarBest substitute for egg white stabilization. Use double the amount.
½ tsp white vinegar = ¼ tsp cream of tartarSame acidic function. Neutral enough that it does not affect meringue flavor.
Baking with baking soda (activating acid)
½ tsp = ¼ tsp cream of tartarProvides acidity to activate baking soda. Slight citrus note.
½ tsp = ¼ tsp cream of tartarNeutral acid. Works in all baking that needs baking soda activated.
1.5 tsp baking powder = 1 tsp baking soda + ½ tsp cream of tartarIf a recipe calls for both, baking powder contains both an acid and a base.
💡 Expert Tips
- ✓When stabilizing egg whites, cream of tartar is the gold standard — lemon juice is the best substitute
- ✓In baking soda recipes, any acid works as a cream of tartar replacement
- ✓For snickerdoodles, cream of tartar gives the signature tangy flavor — lemon zest can help mimic this
❌ Do NOT Use
- ✗Baking powder alone as a cream of tartar substitute when egg white stabilization is the goal
Frequently Asked Questions
What is the best substitute for cream of tartar?
Lemon juice — use ½ tsp lemon juice = ¼ tsp cream of tartar. Best substitute for egg white stabilization. Use double the amount.
Can I substitute cream of tartar in baking?
Yes. The best options for baking are: Lemon juice and White vinegar. Always match the ratio exactly for best results.
What is a vegan substitute for cream of tartar?
Lemon juice — Provides acidity to activate baking soda. Slight citrus note.
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