How to Make Buttermilk
Learn how to make a quick buttermilk substitute with milk and lemon juice or vinegar, when to use it, common mistakes, troubleshooting, and FAQs.
Quick Answer
To make a quick buttermilk substitute, add 1 tablespoon lemon juice or white vinegar to a measuring cup, add milk until it reaches 1 cup total, stir, let it sit for 5 to 10 minutes, then use it in pancakes, biscuits, cakes, or other recipes that call for buttermilk.
Ingredients and Tools
- 1 tablespoon lemon juice or white vinegar
- Milk to make 1 cup total liquid
- Liquid measuring cup
- Spoon
- Recipe that calls for buttermilk
Safety Precautions
- Use fresh milk that has been stored safely.
- This quick substitute is for cooking and baking, not a cultured beverage replacement.
- Check allergens before serving food made with dairy.
- Do not use milk that smells sour or spoiled.
Step-by-Step Instructions
- Step 1
Add acid to the measuring cup
Pour 1 tablespoon lemon juice or white vinegar into a liquid measuring cup.
- Step 2
Add milk to 1 cup total
Pour milk into the same cup until the total liquid reaches the 1 cup line.
- Step 3
Stir gently
Mix the acid and milk so they combine evenly.
- Step 4
Let it sit
Wait 5 to 10 minutes. The milk may look slightly curdled or thickened.
- Step 5
Use in the recipe
Add it where your recipe calls for buttermilk.
- Step 6
Scale if needed
For 1/2 cup, use 1/2 tablespoon acid and milk to 1/2 cup total.
- Step 7
Do not store long-term
Make only what you need for the recipe and refrigerate briefly if not using right away.
Practical Example
Example: A pancake recipe calls for 1 cup buttermilk. You add 1 tablespoon vinegar to a measuring cup, fill with milk to the 1 cup line, stir, wait 10 minutes, then add it to the batter.
Common Mistakes
- Adding 1 cup milk plus acid instead of making 1 cup total
- Skipping the waiting time
- Expecting it to taste exactly like cultured buttermilk
- Using spoiled milk
- Using too much acid
- Forgetting to scale the acid for smaller amounts
Troubleshooting
It did not curdle much
That can be normal. If you used the right amount of acid and waited, it can still work in many recipes.
It tastes too lemony
Use white vinegar next time or reduce lemon-heavy flavor pairings.
Recipe needs real cultured buttermilk flavor
Use store-bought cultured buttermilk when flavor and thickness are central.
I need a dairy-free version
Some bakers use plant milk with lemon juice or vinegar, but results vary by recipe.
Helpful Internal Links
FAQs
Can I make buttermilk with vinegar?
Yes. Use 1 tablespoon white vinegar, then add milk to make 1 cup total.
Can I use lemon juice instead?
Yes. Lemon juice works similarly, though it may add a slight citrus note.
Is this the same as real buttermilk?
No. It is a quick substitute for baking and cooking, not true cultured buttermilk.
How long should it sit?
Let it sit for about 5 to 10 minutes before using.
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