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?

Sam Armstrong
1 year ago

Is 4 tablespoons enough for 4 cups,or should I add a bit extra.

Patty
1 year ago

If you’re a baker, you likely have cream in your refridgerator. You can also take a pint of high fat heavy whipping cream and shake in in a mason jar until the butter forms. What is left, is your true buttermilk.

Monica
1 year ago

Can I use Lactose-free milk?

Thea
1 year ago

5 stars
By far this is the most amazing recipe I’ve ever made. Thank you dear. 🫶🏼

Freida Ali
1 year ago

Thank you so much this is very helpful

Terri Nickola
1 year ago

5 stars
“Thank You!” This will be so helpful!! Can i use Fatfree Milk?

Freida Childs
1 year ago

5 stars
Thank you for these easy recipes I can make for my 7 grands!

Carolyn
1 year ago

5 stars
Easy, good

Dorothy DeLisle
1 year ago

You wrote “The simplest way to substitute buttermilk is to pour 1 Tbs. of vinegar into a 1 cup measurer and then fill the rest of the measuring cup with milk. ” One should NEVER add an acid, which vinegar is, to an empty container. It can splash out when the next ingredient is added, possibly into eyes. Suggest adding three quarters of the milk first, then the vinegar, stir to distribute the vinegar, and then add the rest of the milk up to the measure mark.

Crystal S.
1 year ago

I’m not sure about others, but I never pour an ingredient in measuring quickly enough to splash out. It seems to be I’d be likely to miss my measurement mark.

Megan M
1 year ago

Probably safest to just keep the vinegar locked away & not use such a strong acid at all, Dorothy. Better yet, not in the house at all. Risks outweigh benefits by far on this one.

Lisa
1 year ago
Reply to  Megan M

5 stars
Thank you for the dangerous substitute. Worked like a charm plus I still have my 👀.

Never had a Vinegar Incident
1 year ago
Reply to  Lisa

lol Aren’t you lucky!

Ruth
1 year ago

Lol

Fries Beeley
1 year ago

I, too, activate a vent hood and contact hazmat while opening jars of pickles. The risk is just too great when dealing with the chemical weapon that is white vinegar.

yum ranch
1 year ago
Reply to  Fries Beeley

same, i put on full gloves and a mask just in case!!

Chelse Lochness
1 year ago
Reply to  Fries Beeley

These comments are too funny!🤣🤣

Carol
1 year ago

Yeh, very strange????!!

Aleana W
11 months ago

Now I’m here just for the comments!! Altho I really did need the buttermilk substitute. I’m going to be a risk taker today and choose the vinegar option. Live on the edge a lil bit.

Jessica
1 year ago

Wear some safety goggles then.

Get real people CALM DOWN!!
10 months ago

REALLY!! It’s vinegar NOT ACID!

Cordelia
1 year ago

Hi, I made a recipe of the buttermilk with vinegar and worked great, just wanted to know how mucho would it last on the fridge?
Thanks