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:

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Recipe

An easy buttermilk alternative being poured from a liquid measuring cup to a white bowl to use in a recipe.
Prep 3 minutes
Total 3 minutes
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Ingredients
 
 

  • 1 Tablespoon white vinegar (or lemon juice)
  • 1 cup milk (scant cup)

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: 149kcalCarbohydrates: 11gProtein: 8gFat: 8gSaturated Fat: 5gPolyunsaturated Fat: 0.3gMonounsaturated Fat: 2gCholesterol: 29mgSodium: 93mgPotassium: 366mgSugar: 12gVitamin A: 395IUCalcium: 301mg

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

This post contains affiliate links.

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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.

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Molly
3 years ago

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

Joan Pauls
3 years ago
Reply to  Molly

Could whey be used instead of vinegar to make buttermilk?

Allyson
10 months ago

5 stars
I didn’t make the recipe – but wanted to add that if you can’t find buttermilk at the store it’s very easy to make. Just beat heavy whipping cream for a while. It will turn into whipped cream and then if you keep going it will turn into homemade butter (a bonus) and buttermilk.

Hopefine Martins
10 months ago

5 stars
Thank You So much for this easy, life savings recipe 😁

Charley willmon
11 months ago

5 stars
Was awesome, made with real lemon. Very tender with a very light lemony taste

Helen Feest
1 year ago

5 stars
Fabulous and thank you, we do not tend to use buttermilk in the UK and it is very difficult to find when a recipe calls for it. l can now make my own.

Shana Lamontagne
1 year ago

Any other way I can measure the vinegar and the milk without having a big measuring cup! Help lol thanks!

DebraMN
1 year ago

There are 16 tablespoons (TBS) in 1 cup, since the recipe stated put one TBS and then full the 1 cup, that means 1 TBS vinegar or lemon and 15 TBS of milk. If you don’t have a TBS use any spoon but and 1 vinegar and 15 milk .

FranP
9 months ago
Reply to  DebraMN

Thanks Debra. That was very interesting and useful information.

Lawrence
1 year ago

I drink it, actually, though I only buy it when it’s for a recipe. I drink the leftover buttermilk and love it!

Bob
1 year ago

For a buttermilk substitute, sounds like literally buttermilk while leaving the curds in lmao 🤣 (here for the ratios since i forgot how simple it was 1;1, haven’t made cheese in a while…..)

That’s not a substitute that’s the literal buttermilk recipe is my only point….

♥︎ Jackie Dinh
1 year ago

Am I able to still use it if I had it sitting out if I had made it ahead of time

Donah Davison
1 year ago

My mom taught me this but I forgot. I now keep a carton of cultured buttermilk blend in my freezer. No waste.

WetSandyFeet
1 year ago

5 stars
This is ages old and such a great hack! I remember my great grandmother, grandmother and mom using this for ‘all things buttermilk!!
Such a great tip to pass along.
I don’t know about anyone else- but I cannot stand buttermilk! I was always throwing a whole carton out bc no one in my family would drink it. But, they all demanded buttermilk chicken, pork chops and biscuits! (Also awesome to use for Buttermilk crumbles, pies and cakes!
Best kitchen hack since the pepper mill!

Linda
1 year ago
Reply to  WetSandyFeet

4 stars
You don’t DRINK buttermilk: you put it in a bowl and top it with lots OF CINNAMON SUGAR. Other than that it’s for baking and cooking.
Linda

Amanda
1 year ago
Reply to  Linda

Some people actually do drink buttermilk. I know lots of people who love it. My dad loved it with a bit of salt and pepper.