Buttermilk Substitute

Homemade buttermilk in a mason jar, alongside slices of lemon and a whisk, against a cement backdrop.

Making a recipe that calls for buttermilk and don't have any on hand? Learn how to make an easy substitute with just two simple ingredients!

  • Author: Alexandra
  • Prep Time: 5 minutes
  • Total Time: 5 minutes
  • Yield: 1 cup buttermilk 1x
  • Category: how-tos


  • 1 tablespoon white/apple cider vinegar OR lemon/lime juice
  • scant 1 cup milk


  1. Pour vinegar or lemon/lime juice into a measuring cup.
  2. Add enough milk to reach the one cup line.
  3. Whisk together and let sit for at least 5 minutes before using. Use in place of one cup of buttermilk in a recipe.


This buttermilk substitute can be stored in an airtight container in the refrigerator for up to a couple weeks, depending on how fresh your milk is. 

Keywords: how to make buttermilk, buttermilk substitute, make buttermilk with lime juice, make buttermilk with lemon juice, make buttermilk with vinegar