Easy Buttermilk Substitute

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Learn How to Make Buttermilk with just two ingredients for a buttermilk substitute for cooking and baking! Helpful guide with more substitutes, along with dairy-free and vegan options.

Glass measuring cup with milk, glass bowl with vinegar, and measuring spoons sit on a marble countertop.

Buttermilk is one ingredient that I love to have on hand. But, sometimes, I think I have plenty in the fridge, only to realize that I donโ€™t. And if I’ve got the urge to make a Caramel Cake and I’m out of buttermilk, then I’m making my own!

It is easy to do and only takes two ingredients that work perfectly in baking and cooking. It tastes just like store-bought buttermilk!

What is Buttermilk?

Traditionally, it was the leftover liquid from churning cream to make butter. This is now referred to as traditional buttermilk. What you buy in the grocery stores is now cultured, produced by adding cultures to milk during fermentation to simulate the lactic acid that would naturally occur in the traditional kind.

Buttermilk adds a rich, tangy flavor and a thicker consistency than other kinds of milk. It works to tenderize meat and vegetables. The lactic acid also reacts with other ingredients like baking powder and baking soda in recipes and acts as a leavening agent. This helps batters and doughs to rise and be more tender.

Here’s how you’ll make a simple homemade buttermilk substitute for baking or cooking:

Ingredients

  • 1 cup milk + 1 tablespoon vinegar (distilled white vinegar or apple cider vinegar)
  • 1 cup milk + 1 tablespoon lemon juice

How to Make Buttermilk Substitute

The simplest way to make your homemade buttermilk substitute:

  1. Add a tablespoon of fresh lemon juice or vinegar to a cup of regular or dairy-free milk.
  2. Allow the milk to sit for about 5 minutes to thicken. You can expect it to appear to be slightly curdled.
  3. Stir the mixture to combine and use where buttermilk is needed in your recipe. The texture and consistency will be very similar to traditional buttermilk once it’s mixed as described.

You can use either combination I’ve provided above to make one cup of homemade buttermilk substitute. If you need more or less buttermilk, you can quickly scale the recipe to fit your desired amount.

Also, reference Other Homemade Buttermilk Substitutes to follow.

Cup of milk with a lemon next to it to make homemade buttermilk substitute.

Other Substitutions for Buttermilk

You can use a few different homemade substitutions when a recipe calls for buttermilk. Pick the option that works for you based on what you have available.

Each of these substitutions equals 1 cup of buttermilk:

  • 1 cup plain yogurt or Greek yogurt
  • 1 cup plain kefir
  • ยพ cup sour cream + ยผ cup water or milk
  • 1 cup milk + 1 3/4 teaspoons cream of tartar
  • 1 cup water + 1/4 cup buttermilk powder

Make Dairy-Free and Vegan Buttermilk Substitutes

You can also make an easy dairy-free buttermilk substitute in your recipes. This is perfect for those with dairy allergies or who need a vegan buttermilk substitution.

To make a dairy-free and/ or, use your favorite non-dairy milk such as almond milk, soy milk, coconut milk, rice milk, or oat milk in place of the store-bought buttermilk called for in the recipe! Itโ€™s that easy!

  • 1 cup buttermilk = 1 cup non-dairy milk (coconut, soy, rice, oat, almond) + 1 tablespoon  lemon juice
  • 1 cup buttermilk = 1 cup non-dairy milk (coconut, soy, rice, oat, almond) = 1 tablespoon vinegar (distilled white vinegar or apple cider vinegar)

Then, follow the same recipe steps as those for regular dairy milk.

Storage Tips

To store. Place in an airtight container and store in the refrigerator for up to two weeks.

To freeze. Spoon any unused buttermilk substitute into an ice cube tray with a tablespoon. Place the tray into the freezer until frozen well, about an hour. Remove from the freezer and dispense the frozen cubes into a freezer-safe container. Freeze for up to 3 months.

Glass measuring cup with milk and glass bowl with vinegar to make buttermilk substitute.

Ways to Use Buttermilk

Adds Flavor

It adds a rich, tangy flavor to dishes like salad dressings and dips.

Tenderizes

It’s great for soaking meats and vegetables to make them more tender before cooking, generally frying.

Leavens Baked Goods

It reacts with other chemical leavening agents in recipes to produce gas bubbles, which then help cakes, cookies, and other baked goods to rise.

Here’s how to make my easy buttermilk substitute. I hope you find this helpful!

How to Make Buttermilk

5 from 23 votes
Learnย How to Make Buttermilkย with just two ingredients for a buttermilk substitute for cooking and baking! Helpful guide with more substitutes, along with dairy-free and vegan options.
Prep Time: 10 minutes
Total Time: 10 minutes
Servings: 1 cup

Ingredients

  • 1 cup whole milk, or 2% or 1%
  • 1 tablespoon vinegar , or lemon juice

Instructions 

  • Pour milk into a glass measuring cup. Add vinegar OR lemon juice and allow to sit for about 5 minutes before use. You can expect it to appear curdled. Stir it and then use as you would store-bought buttermilk.

Notes

The recipe may be increased or decreased proportionately.

Additional Buttermilk Substitution options:

  • 1 cup buttermilk = 1 cup plain yogurt or Greek yogurt
  • 1 cup buttermilk = 1 cup plain kefir
  • 1 cup buttermilk = ยพ cup sour cream + ยผ cup water or milk
  • 1 cup buttermilk = 1 cup milk + 1 3/4 teaspoons cream of tartar
  • 1 cup buttermilk = 1 cup water + 1/4 cup buttermilk powder

Dairy-Free Buttermilk:

For dairy-free buttermilk, substitute your preferred non-dairy milk (coconut milk, soy milk, almond milk, rice milk, oat milk, etc.) with the whole milk called for in the recipe.ย 

Video

Nutrition

Serving: 1cup | 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.

Enjoy!
Robyn xo

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About Robyn

Robyn Stone is a cookbook author, wife, mom, and passionate home cook. Her tested and trusted recipes give readers the confidence to cook recipes the whole family will love. Robyn has been featured on Food Network, People, Southern Living, and more.

5 from 23 votes (4 ratings without comment)

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Recipe Review




85 Comments

  1. Maureen Brown says:

    5 stars
    All your recipes that I’ve tried have been easy and EXCELLENT!! I used to buy buttermilk, but haven’t been since I’ve needed to really watch expenses. Now I can make it so easily and cheaply! Thanks so much!

    1. Robyn Stone says:

      I love that this buttermilk substitute has helped you, Maureen. You may also want to look at How to Make Self-Rising Flour, How to Make Cake Flour, and How to Freeze Eggs to see if they would help you as well.

  2. Kathy says:

    Made this & it works perfectly! With groceries being so high, it saved me some money at the grocery, gas to get there & I had the ingredients on hand! A win win for me! Thank you so much! ๐Ÿ™‚

    1. Robyn Stone says:

      I’m so glad you could use this recipe from ingredients you had at home, Kathy. Thanks!

  3. Dee says:

    Can you use fat free milk?

    1. Robyn Stone says:

      Yes, Dee, you can use fat free milk.

  4. Sherry says:

    5 stars
    Easy and perfect! Thank you, you saved the day ๐Ÿ™ƒ

    1. Robyn Stone says:

      Thanks, Sherry. I’m so glad this helped you.

  5. Gabie says:

    Can I use sour cream or yogurt in lieu of buttermilk? Iโ€™m planning to make vanilla cake with your recipe.

    1. Robyn Stone says:

      Gabie, I haven’t made the vanilla cake with sour cream or yogurt but they are good substitutes for buttermilk.

  6. Chi-Cha Russo says:

    Can I use heavy whipping creme and distilled vinegar?

    1. Robyn Stone says:

      You can use heavy cream and distilled vinegar to make buttermilk.

  7. Irene says:

    Can you use fat free milk or 2% to make buttermilk?

    1. Robyn Stone says:

      Irene, you can use fat free or 2% milk, if you prefer. Be sure to allow it to sit about 10 minutes until it has thickened before you use.

    2. Ashley says:

      5 stars
      I’ll be changing my milk for buttermilk for now on when it call for it! So easy! Added it to your chocolate cake recipe and loved it!

    3. Robyn Stone says:

      I’m so happy this worked well for you, Ashley. Now, you don’t have to keep buttermilk on hand.

  8. Gentora says:

    5 stars
    Forgot to say thank you. came out perfect

  9. Sandra Belanger says:

    can whole milk be used to make buttermilk?

    1. Robyn Stone says:

      Yes, Sandra, I use whole milk to make buttermilk.

  10. Jean says:

    Would a teaspoon of espresso powder enhance a chocolate cake mix?

    1. Robyn Stone says:

      Espresso powder should enhance the chocolate flavor in anything you bake, Jean.