How to Make Your Own Buttermilk

Written by melissa hamilton
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Used in a variety of different recipes, buttermilk is cultured or sour milk that remains after the butter is skimmed off and adds a more flavourful taste to recipes. While in a pinch you can substitute 1 cup of milk with 1 tbsp white vinegar for a recipe calling for buttermilk, it is preferable to have actual buttermilk. You can make your own cultured buttermilk at home to use whenever you need it. Making your own buttermilk will take a few days and you do need to have actual buttermilk to start the process.

Skill level:
Moderately Easy

Things you need

  • Quart jar
  • Measuring cup
  • 227gr cultured buttermilk
  • Regular milk

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  1. 1

    Wash the jar thoroughly before using.

  2. 2

    Add the cultured buttermilk to the jar.

  3. 3

    Fill the jar almost to the top, leaving about 1 inch of room, with regular milk. You can use any fat percentage for the regular milk.

  4. 4

    Put the lid on the jar and leave it on the counter (but out of the sun) for 24 hours.

  5. 5

    Shake the jar well and keep it in the refrigerator until you are ready to use it. The buttermilk will last 4 to 6 weeks.

Tips and warnings

  • When you are down to 227gr of buttermilk, repeat the process so that you always have some on hand.

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