Home / Converters / Buttermilk Substitute
Buttermilk Substitute Calculator
Milk plus an acid (lemon juice or vinegar) mimics buttermilk's tang and thickness closely enough for baking. Enter how much buttermilk you need.
Calculate
Recipe
1 tbsp lemon juice + milk to fill 1 cup
Add the acid to a measuring cup, then pour in milk to reach the total amount. Stir and let sit 5-10 minutes until slightly thickened before using.
Reference table (per cup of buttermilk)
| Acid | Amount | Then add |
|---|---|---|
| Lemon juice | 1 tbsp | Milk to fill 1 cup |
| White vinegar | 1 tbsp | Milk to fill 1 cup |
| Cream of tartar | 1 3/4 tsp | 1 cup milk |
| Plain yogurt (thinned) | 3/4 cup + 1/4 cup water | — |
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