a mason jar of dairy free buttermilk being spooned out.

How to make dairy free buttermilk – two ways

Buttermilk is one of those ingredients that doesn’t have a great dairy free substitute that you can buy at the store. There just isn’t really anything on the market. Thankfully, it’s super easy to make your own.

Buttermilk is used in both baking and cooking, for a variety of reasons, but even in the dairy world, the most basic substitute is generally 1 cup of milk + 1 tablespoon of acid (i.e. lemon juice or vinegar). This works with dairy free milk as well, but I’ve also started using a second method that will give a creamier more buttermilk like texture.

This creamy method is made with unsweetened coconut yogurt and a bit of dairy free milk so you end up with the thickness and acidity of a buttermilk.

Which method should I use?

It really doesn’t matter! Use whichever method you have the ingredients for. Either method will give you the chemical reaction of buttermilk in baking and the tangy flavor you’re looking for when cooking.

But, if you’re looking for the thick, richness of buttermilk you’re looking for, I recommend the creamy method.

More dairy free basics: scrambled eggs without milk / dairy free caesar dressing / dairy free hollandaise / dairy free buttercream frosting

Dairy free buttermilk being poured into a mason jar from a glass pitcher

Ingredient notes:

basic method:

  • Dairy free milk – Use any unsweetened plant milk you have on hand. Almond, oat, or flax all work well. Avoid sweetened varieties as they’ll throw off the flavor, especially in savory recipes.
  • Lemon juice – Fresh or bottled both work. You can also use white vinegar or apple cider vinegar instead . Lemon juice adds a slightly citrusy flavor, while vinegar is more neutral.

Creamy method:

  • Unsweetened coconut yogurt – We use So Delicious Dairy Free unsweetened plain coconut yogurt. Any plain, unsweetened coconut yogurt works.
  • Dairy free milk – Any unsweetened plant milk works here to thin out the yogurt to buttermilk consistency. We typically use whatever we have on hand, like almond, oat or flax milk.

Making changes to a recipe can result in recipe failure. Any substitutions listed below are simple changes that I believe will work in this recipe, but results are not guaranteed.

close up of a spoon coated and dripping with buttermilk above a glass measuring pitcher
dairy free buttermilk made with coconut yogurt and almond milk
close up of a spoon coated and dripping with buttermilk above a glass measuring pitcher
dairy free buttermilk made with almond milk and lemon juice

Frequently asked questions

Can I use this dairy free buttermilk in any recipe that calls for regular buttermilk?

Yes, both methods work as a 1:1 substitute for traditional buttermilk in most recipes. For dressings and dips, I recommend the creamy method for better texture. For baked goods, either method works well.

Why does my buttermilk look curdled?

This is completely normal for the quick method (milk + acid). The acid causes the milk to separate slightly, which is exactly what you want. It mimics the tangy, slightly thick texture of traditional buttermilk and works perfectly in recipes.

How long does dairy free buttermilk last in the fridge?

Both methods last up to 1 week when stored in an airtight container in the refrigerator. Shake or stir well before using as separation is normal during storage.

Do I need to refrigerate dairy free buttermilk right away?

If you’re using it immediately in a recipe, you don’t need to refrigerate it. But if you’re making it ahead or storing leftovers, refrigerate it within 2 hours of making it.

Ways to use dairy free buttermilk:

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Dairy Free Buttermilk

By: Melissa Belanger
Need dairy free buttermilk? Here are two different ways to make it using ingredients you already have. Both methods take just 5 minutes and work as a 1:1 substitute in your favorite recipes and can be stored in the fridge up to a week!
Prep Time: 5 minutes
Total Time: 5 minutes
Servings: 1 cup
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Ingredients 

Basic method:

  • 1 cup dairy free milk
  • 1 tablespoon lemon juice

Creamy method:

  • 3/4 cup unsweetened plain coconut yogurt
  • 1/4 cup dairy free milk

Instructions 

  • Combine ingredients. Add the ingredients for your chosen method to a liquid measuring cup or mixing bowl.
  • Stir and let sit. Whisk together and let sit for about 5 minutes before using. Depending on what type of dairy free milk you use, the basic method mixture may look slightly curdled or separated – this is completely normal.
  • Use or store. Use immediately in your recipe, or store in an airtight container in the refrigerator for up to 1 week. Shake well or stir before using.

Notes

Nutritional information is calculated for basic method only.

Nutrition

Calories: 33kcal, Carbohydrates: 2g, Protein: 1g, Fat: 3g, Sodium: 110mg, Fiber: 1g, Sugar: 0.4g, Vitamin C: 6mg

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

Like this? Leave a comment below!

Hi! I'm Melissa.

I create easy, dairy free recipes because I know how hard living without milk can be. I believe you can live a completely satisfying life without dairy, and I want to teach you how.

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