Vegan Buttermilk Recipe (2-Ingredients)

You can make vegan buttermilk by mixing two ingredients. How simple is that? I have kept this post short and sweet so you can get on with your vegan baking!

Vegan buttermilk in a spoon.

What Is Vegan Buttermilk?

Vegan buttermilk is a dairy-free alternative to traditional buttermilk. It is an easy substitute to make at home using two ingredients most vegans already have: plant-based milk and fresh lemon juice or apple cider vinegar.

Why use Dairy-Free Buttermilk in Vegan Baking?

Buttermilk helps baked goods rise while creating a soft, fluffy texture (hello, buttermilk biscuits!). Vegan buttermilk balances the sweetness in other baked goods, such as my strawberry vegan cake. It is sweet, but not too sweet.

Ingredients

Non-Dairy Milk

For the best results, use room-temperature plain soy or almond milk. They have a higher protein and curdle the best. You can use oatmilk, just know it will curdle less. Finally, do not use coconut milk. It does not curdle at all.

Acid

To create a curdle, you will need to add an acid to the vegan milk. Fresh lemon juice or apple cider vinegar are the typical acids for making vegan buttermilk.

Two spoons showing how different milks curdle.
Oat Milk vs. Soy Milk

Frequently Asked Questions

No, regular buttermilk is not vegan. It is made by fermenting cultured milk, which contains dairy.

You can make vegan buttermilk with oat milk, but it will have significantly less curdle.

Homemade vegan buttermilk can be stored in a sealed container in the refrigerator for up to 5 days. The exact shelf life will vary depending on the type of plant-based milk used, but most types will last for at least 3-4 days.

  • Cold temperature: Vegan buttermilk curdles best when the milk is at room temperature. If the milk is too cold, the curdling process will be delayed or may not happen at all.
  • Low Protein Plant-Based Milk: To curdle, the acid needs to interact with protein. Soy and almond milk have the highest protein. Oatmilk is low, and coconut and rice milk do not have protein.
  • Not enough acid: You might need more acid, fresh lemon juice or apple cider vinegar. Add a teaspoon more, stir well, and wait five minutes.
Vegan buttermilk in a spoon.

Vegan Buttermilk Recipe (2-Ingredients)

You can make vegan buttermilk by mixing two ingredients. How simple is that? I have kept this post short and sweet so you can get on with your vegan baking!
5 from 1 vote
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Course: Baking
Cuisine: all
Servings: 1 cup
Prep Time: 10 minutes
Cook Time: 0 minutes
Total Time: 10 minutes

Equipment

  • Measuring cup
  • Mixing container

Ingredients

  • 1 cup plain non-dairy milk, room temperature preferably almond or soy
  • 1 tablespoon fresh lemon juice or apple cider vinegar

Instructions

  • Mix non-dairy milk and lemon juice or apple cider vinegar. Let stand for ten minutes.

Notes

  • For best results, use soy or almond milk.  Oatmilk will curdle a little, and coconut and rice milk will not curdle. 
  • Always use room-temperature milk, cold milk will not curdle. 
  • Always use plain, non-flavored milk.  

Nutrition

Calories: 109kcal | Carbohydrates: 8g | Protein: 7g | Fat: 5g | Saturated Fat: 0.5g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 1g | Sodium: 119mg | Potassium: 344mg | Fiber: 1g | Sugar: 6g | Vitamin A: 927IU | Vitamin C: 17mg | Calcium: 331mg | Iron: 1mg
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