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Skip the trip to the store and learn How to Make Buttermilk substitute at home with simple pantry ingredients, including dairy-free and vegan options!

I love learning simple how-to swaps for my kitchen, like how to make your own Vanilla Extract, How to Ripen Bananas, or make some Playdough for the kids.

An easy buttermilk alternative being poured from a liquid measuring cup to a white bowl to use in a recipe.

Our Buttermilk Substitute hack saves me time and time again.

We've all been there–you're several ingredients deep in a recipe and realize it calls for buttermilk, which you don't have. Instead of making a trip to the store, just make your own buttermilk substitute! It's easy, inexpensive, and I'm sure you already have everything you need.

Buttermilk Substitute:

Any of these options will work great in a recipe, just pick the best one for you based on what you have in your pantry and fridge. 

  • 1 cup buttermilk = 1 Tablespoon white vinegar + enough milk to measure 1 cup
  • 1 cup buttermilk = 1 Tablespoon lemon juice + enough milk to measure 1 cup
  • 1 cup buttermilk = 1 cup plain yogurt
  • 1 cup buttermilk = 1 and ¾ teaspoon cream of tartar + 1 cup of milk

How to make Buttermilk:

For the vinegar option, simply pour 1 Tablespoon vinegar into a measuring cup for 1 cup, then fill the rest of the cup with milk. Carefully stir the mixture then let it sit for 5 minutes. If you don't have vinegar, check out other easy alternatives above.

Two images showing how to make buttermilk by pouring a tablespoon of vinegar into a cup of milk, then letting it sit before using it as a buttermilk substitute.

Dairy Free & Vegan Substitute:

Instead of dairy milk, use coconut milk or soy milk. Just add 1 Tablespoon vinegar or lemon juice to a 1 cup measuring cup, then fill the rest of the way with coconut or soy milk. Stir and let sit for 5 minutes before using in a recipe.

Buttermilk Freezing Instructions:

Buttermilk freezes great for up to 3 months. You could even pour in an ice cube tray so it's easy to use small amounts as needed.

Use Buttermilk In:

5 from 1398 votes

Buttermilk Substitute

Author: Lauren Allen
Skip the trip to the store and learn How to Make Buttermilk at home with simple pantry ingredients, including dairy-free and vegan options!
Prep: 3 minutes
Total: 3 minutes
Servings: 1 cup

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Ingredients 
 

  • 1 Tablespoon white vinegar, (or lemon juice) (15 ml)
  • 1 cup milk, (scant cup) (240 ml)

Instructions 

  • Pour the tablespoon of vinegar into a 1 cup measurer.  Fill the rest of the 1 cup measurer with milk. 
  • Gently stir and let the mixture sit for about 5 minutes. This will allow the milk to slightly curdle, giving it a buttermilk-like texture and taste.

Notes

More buttermilk substitute options:
    • 1 cup buttermilk = 1 Tablespoon white vinegar + enough milk to measure 1 cup
    • 1 cup buttermilk = 1 Tablespoon lemon juice + enough milk to measure 1 cup
    • 1 cup buttermilk = 1 cup plain yogurt
    • 1 cup buttermilk = 1 and ¾ teaspoon cream of tartar + 1 cup of milk
Dairy-Free and Vegan: Instead of dairy milk, use coconut milk or soy milk! Just add 1 Tbsp vinegar or lemon juice to a 1 cup measuring cup, then fill the rest of the way with coconut or soy milk. Stir and let sit for 5 minutes then use in recipe!
How to Freeze Buttermilk: Buttermilk freezes great for up to 3 months. You could even pour in an ice cube tray so it's easy to use small amounts as needed.

Nutrition

Calories: 149kcal, Carbohydrates: 11g, Protein: 8g, Fat: 8g, Saturated Fat: 5g, Polyunsaturated Fat: 0.3g, Monounsaturated Fat: 2g, Cholesterol: 29mg, Sodium: 93mg, Potassium: 366mg, Sugar: 12g, Vitamin A: 395IU, Calcium: 301mg

Nutrition information is automatically calculated, so should only be used as an approximation.

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I originally shared this recipe March 2019. Updated August 2024.

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About The Author

Lauren Allen

Welcome! I’m Lauren, a mom of four and lover of good food. Here you’ll find easy recipes and weeknight meal ideas made with real ingredients, with step-by-step photos and videos.

5 from 1398 votes (1,332 ratings without comment)
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Molly
4 years ago

5 stars
This recipe worked just like store-bought buttermilk.

Joan Pauls
4 years ago
Reply to  Molly

Could whey be used instead of vinegar to make buttermilk?

MICHAEL PORTER
5 years ago

5 stars
THANKS FOR THE INFORMATION 👍 REALLY APPRECIATE IT, WORKS GREAT WITH2% MILK!

Mesoe
5 years ago

5 stars
So simple and smart. I’ve lost count on how many times I needed buttermilk and had none! I have used all 3 options and I must say the vinegar works best for me taste wise!

Lorraine Skeates
5 years ago

Can you use semi skimmed milk to make butter milk or does it have to be full fat milk

Craig Tomlinson
5 years ago

5 stars
Clearly explained! Thank you for posting this info: I’m in New Zealand, and a fan of ‘American regional cooking’… The term “Buttermilk” turns up regularly in recipes – and now I know how to replicate it! Cheers

Kerrie
5 years ago

5 stars
Thank you very much! This was perfect.

Sarah
5 years ago

I didn’t know how to make butter milk yet I wanted to use it during cooking. Now I’ve got it.
Thank you. Sarah, Uganda

leon kuwata
5 years ago

i tried it it worked pretty well actaully

Jenn
5 years ago

This was a life save because I had just run out and needed it for a cobbler I was making!! Do you know how long it can be stored for in the refrigerator?

grln
5 years ago
Reply to  Jenn

not more than 3 days

Maggie
3 years ago
Reply to  Jenn

I looked it up on the internet and it said 2weeks. Check it out. Ask about home made

Paul
5 years ago

If I add more vinegar will it make it thicker?

Tammy
5 years ago

5 stars
Thank you Lauren, I made corn dogs for my hubby last night and the recipe called for buttermilk. I found your buttermilk recipe right away with great reviews so I went with it. My hubby enjoyed the corn dogs and wants me to make them again soon. Thank you for posting this for us. 😁

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