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Image illustrates a jar of homemade cultured buttermilk.

Homemade Cultured Buttermilk Recipe

This homemade cultured buttermilk recipe is a simple, budget-friendly way to ensure you always have fresh, tangy buttermilk on hand. Using just milk and a small amount of starter buttermilk, you can create a continuous supply right in your own kitchen. Perfect for pancakes, biscuits, dressings, and more, this easy method is a must-have for every home cook who loves old-fashioned flavor and self-sufficient living.
Prep Time 5 minutes
Fermenting Time 12 hours
Total Time 12 hours 5 minutes
Servings 1 quart

Equipment

  • 1 quart size Mason jar

Ingredients
  

  • ΒΌ cup buttermilk starter culture.
  • 1 quart whole milk.

Instructions
 

  • Bring 1 quart of whole milk to room temperature.
  • Mix in 1/4 cup of buttermilk starter culture to the room temperature whole milk.
  • Place a tight lid on the jar and give it a good shake!
  • Loosen the lid and set the jar in a warm place such as near the stove to ferment for 8 to 12 hours, until thickened.
  • Stir the cultured buttermilk, tighten the lid, and place in the fridge.
  • Use within 1 week.