Cream of Tartar + Milk Substitute for Buttermilk: Exact Ratio
Looking for a buttermilk substitute? Cream of Tartar + Milk works as a direct replacement. Use 1 cup milk + 1 3/4 tsp cream of tartar in any recipe that calls for buttermilk. This swap works best for baking, scones, soda bread.
Best Substitute
Cream of Tartar + Milk
1 cup milk + 1 3/4 tsp cream of tartar
Stir well to dissolve. Provides acidity without the curdled texture.
Flavor & Texture Change
No tang or creaminess, just acidity. Baked goods will rise properly but taste less complex than with real buttermilk.
When Not to Use
Stir very well because cream of tartar can clump. Does not curdle the milk, so the texture is thinner than real buttermilk. Best only for baking where acidity is the main need.
Tips When Replacing Buttermilk in Recipes
Buttermilk's acidity activates baking soda, creating lift and tenderness. Any substitute must be acidic to replicate this chemical reaction. It also tenderizes gluten, making baked goods softer.
What Is Buttermilk and Why Substitute It?
A tangy, slightly thick fermented dairy product used in baking and marinades. Its acidity reacts with leavening agents to create lift in baked goods and tenderizes proteins in marinades.
Cream of Tartar + Milk is one of 6 alternatives you can use instead of buttermilk. For a complete list of buttermilk substitutes with ratios and cooking tips, visit the full buttermilk substitute page.
What Else Can I Use Instead of Buttermilk?
Milk + Lemon Juice instead of Buttermilk
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Milk + White Vinegar instead of Buttermilk
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Plain Yogurt + Water instead of Buttermilk
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Sour Cream + Water instead of Buttermilk
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Plant Milk + Lemon Juice instead of Buttermilk
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Frequently Asked Questions
Can I use cream of tartar + milk instead of buttermilk?
Yes, you can use cream of tartar + milk as a substitute for buttermilk. Use 1 cup milk + 1 3/4 tsp cream of tartar. Stir well to dissolve. Provides acidity without the curdled texture.
How much cream of tartar + milk equals buttermilk?
Use 1 cup milk + 1 3/4 tsp cream of tartar to replace buttermilk with cream of tartar + milk. Works best for baking, scones, soda bread.
What is the best substitute for buttermilk?
Cream of Tartar + Milk is a popular substitute for buttermilk. Use 1 cup milk + 1 3/4 tsp cream of tartar for a 1-to-1 replacement. See all 6 alternatives on our buttermilk substitute page.
Does cream of tartar + milk change the taste when replacing buttermilk?
Stir very well because cream of tartar can clump. Does not curdle the milk, so the texture is thinner than real buttermilk. Best only for baking where acidity is the main need.