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) (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: 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.

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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.

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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?

Fatima
4 years ago

5 stars
This always works!
Thank you 😉

Mary
4 years ago

5 stars
Great thank you

Avangeline
4 years ago

4 stars
I didn’t have any fresh milk, so I used evaporated milk from the can and added the white vinegar. It worked very well. Thank your for this recipe as I cannot get buttermilk in my area. Also I have heard that it is quite pricey!

Diane
4 years ago

5 stars
This worked well for us in a pancake recipe and added to our smashed potatoes. I’m seeing folks successfully freeze store purchased buttermilk and I am wondering if anyone has had success in freezing this “homemade” version.
Thank you!

Mike
4 years ago

5 stars
Which one of these tastes true-est to buttermilk? Why not add a bit of (melted?) butter and maybe cream or halfnhalf too? My buttermilk usually has chunks of butter floating around in it; can’t imagine it would taste the same without it…

Devon
4 years ago
Reply to  Mike

Buttermilk doesn’t actually contain butter. It’s a by-product from the production of butter. When you whip cream, it will eventually separate into curds (butter) and whey (buttermilk)

Deb
4 years ago

5 stars
This was a big help n a pinch. I also take my leftover (store bought) buttermilk and pour it into measuring cup. I then pour it evenly into an ice tray. I write on the freezer bag how many cubes I need for a 1/4 or 1/2 cup so I can just thaw what I need for my recipe. This method works great for all sorts of liquids. It’s a simple way to save a few $ and a trip to the store.

Michelle
4 years ago
Reply to  Deb

Great tip on the freezing in trays and marking for future recipes!

Maureen Parilla
4 years ago

5 stars
Delicious! I was a little hesitant to make biscuits, but these are so easy and so good! I grated unsalted butter that I had stored in my freezer and it worked perfectly. They puffed up very nicely. Thank you!

Hillary
4 years ago

This doesn’t even remotely taste of ranch. I feel lied to.
Has anyone else who left a comment tasted ranch recently? Because this is weird savory milk product

Karen Recla-Jones
4 years ago
Reply to  Hillary

This ISN’T a recipe for Ranch dressing my friend. It’s a recipe to make BUTTERMILK if you cant find it at a store. There are really great recipes using this recipe of buttermilk if you are either out of buttermilk or can’t get it locally.

Ginger
4 years ago

Thank you so much, as I am lactose intolerant and use Lactaid milk just perfect😊

Jodi in Hawaii
4 years ago

5 stars
Thank you!! I live in Hawaii, in a VERY rural area and a major store is 50 minutes away (one way). On top of that, EVERY store I went to today was out of buttermilk (Safeway, KTA, Target, Walmart). It happens SO MUCH it drives me crazy and I need to just not worry about it and find another way to deal with these outages. I love making buttermilk biscuits but have been very discouraged. I live almost a mile up so it’s cold and rainy quite often. I love biscuits.

Elmer
4 years ago
Reply to  Jodi in Hawaii

5 stars
Jodi, to have buttermilk in a pinch there are two dry forms I have used in recipes. Walmart carries “Saco Buttermilk” that comes in a small (12 oz) canister. However, my favorite is “Bob’s Red Mill Sweet Cream Buttermilk”, it comes in a plastic pouch, and I order it online. I mainly buy dry buttermilk to make ranch seasoning from scratch.

Thea
4 years ago
Reply to  Elmer

I just wanted to say thank you for this! I don’t use buttermilk very much and it never occurred to me to buy powdered buttermilk so that I can have it when I need it and nothing will go to waste.

Sarah
4 years ago
Reply to  Jodi in Hawaii

Jodi,
So jealous you live in Hawaii my husband and I miss Hawaii so much. I love the lemon and milk way of making buttermilk.

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