Best Substitutes for Buttermilk
Buttermilk adds tangy flavor and activates baking soda for rise. It's easy to substitute.
Substitutes by Use Case
General (pancakes, waffles, biscuits, cakes)
1 cup milk + 1 tbsp white vinegar = 1 cup buttermilkStir and let sit 5 min until it curdles. Works perfectly in nearly all recipes.
1 cup milk + 1 tbsp lemon juice = 1 cup buttermilkSame as vinegar method but with a slight citrus note. Great for lemon-flavored bakes.
¾ cup yogurt + ¼ cup milk = 1 cup buttermilkThin the yogurt until pourable. Great for moist cakes and fluffy pancakes.
1 cup soy milk + 1 tbsp apple cider vinegar = 1 cup buttermilkBest vegan option. Soy milk curdles reliably with acid.
1 cup oat milk + 1 tbsp vinegar = 1 cup buttermilkWorks well, slightly less curdling. Good for pancakes.
Fried chicken marinade
1:1 ratioActually superior to buttermilk for fried chicken — thicker coating, better adhesion.
1 cup milk + 1 tsp hot sauce + 1 tsp vinegarAdds flavor depth. Nashville-style.
💡 Expert Tips
- ✓The substitute needs acidity — that's what activates the baking soda
- ✓Let the substitute sit 5 minutes before using so it curdles slightly
- ✓Full-fat substitutes give better texture than low-fat
❌ Do NOT Use
- ✗Regular milk alone (no acidity)
- ✗Sweetened condensed milk
Frequently Asked Questions
What is the best substitute for buttermilk?
Milk + white vinegar — use 1 cup milk + 1 tbsp white vinegar = 1 cup buttermilk. Stir and let sit 5 min until it curdles. Works perfectly in nearly all recipes.
Can I substitute buttermilk in baking?
Yes. The best options for baking are: Milk + white vinegar and Milk + lemon juice. Always match the ratio exactly for best results.
What is a vegan substitute for buttermilk?
Soy milk + vinegar — Best vegan option. Soy milk curdles reliably with acid.
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