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Buttermilk in a glass measuring cup.

Buttermilk Substitute Recipe

This homemade Buttermilk Substitute requires only 2 ingredients and is done in 5 minutes! If your recipe calls for buttermilk but you don’t have it on hand, try this substitute. It’s even better!

Course Drinks
Cuisine American
Keyword buttermilk substitution
Prep Time 7 minutes
Total Time 7 minutes
Servings 1 cup
Calories 152 kcal
Author Anna


  • 1 tablespoon apple cider vinegar OR lemon juice
  • 1 cup whole milk OR half and half


  1. In a liquid measuring cup (not the same you use to measure out flour), pour lemon juice or apple cider vinegar.
  2. Add enough milk or half and half to make 1 cup of liquid.
  3. Stir a few times and let it sit for at least 5 minutes.
  4. The buttermilk will thicken and have a chunky texture. That’s perfect!
  5. Use it right away or store in the fridge for up to 1 week.

Recipe Notes

  • Store it as you would any dairy product. It should be in the fridge and keep well for up to 1 week. Since this is a homemade version without preservatives, the storing time is shorter than store-bought buttermilk.
  • Please note, that the nutrition value can vary depending on what product you use. The information below is an estimate. Always use calorie counter you are familiar with.
Nutrition Facts
Buttermilk Substitute Recipe
Amount Per Serving
Calories 152 Calories from Fat 72
% Daily Value*
Fat 8g12%
Saturated Fat 5g31%
Cholesterol 24mg8%
Sodium 106mg5%
Potassium 322mg9%
Carbohydrates 12g4%
Sugar 12g13%
Protein 8g16%
Vitamin A 395IU8%
Calcium 276mg28%
* Percent Daily Values are based on a 2000 calorie diet.