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Homemade buttermilk in a measuring cup

How to Make Buttermilk

  • Author: Shelly
  • Prep Time: 10 minutes
  • Cook Time: 0 minutes
  • Total Time: 10 minutes
  • Yield: 1 cup 1x
  • Category: How To
  • Method: Mix
  • Cuisine: American


This easy recipe for homemade buttermilk substitute only needs two ingredients and is ready in 10 minutes. 


  • 1 cup milk
  • 1 tbsp white vinegar or lemon juice


  1. Combine 1 cup milk with 1 tbsp white vinegar or lemon juice.
  2. Let mixture sit at room temperature until it curdles. This should take about 10 minutes.
  3. Stir and use in place of buttermilk.


For a Vegan variation, sub 1 cup of soy milk for the 1 cup of cow’s milk.

Keywords: how to make buttermilk, buttermilk substitute, what is buttermilk, buttermilk recipe, homemade buttermilk, buttermilk replacement, sub for buttermilk

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