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Homemade Buttermilk

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  • Author: Hazel Roddy
  • Prep Time: 2 minutes
  • Total Time: 2 minutes
  • Yield: 1 cup buttermilk


Have you ever had a need for buttermilk but forgot to buy it or ran out? With my 11 Buttermilk Substitute options, I can show you how to make simple homemade buttermilk using ingredients you most likely already have on hand!


Option 1 – Milk + Lemon Juice (Sour Milk)

  • 1 cup whole milk (or 2% milk – not quite a full cup)
  • 1 tablespoon lemon juice (fresh squeezed or bottled lemon juice)


  1. Combine the milk and lemon juice in a mixing bowl and whisk until smooth. Allow for up to 10 minutes of sourness.
  2. Use the buttermilk in your recipe after stirring it in. Please keep in mind that the buttermilk will have a slightly curdled texture and appearance – this is normal!



  • Category: Condiment
  • Method: None
  • Cuisine: American


  • Serving Size: 1 cup buttermilk
  • Calories: 152kcal
  • Sugar: 13g
  • Sodium: 105mg
  • Fat: 8g
  • Saturated Fat: 5g
  • Carbohydrates: 13g
  • Fiber: 1g
  • Protein: 8g
  • Cholesterol: 24mg

Keywords: Buttermilk substitution, buttermilk, buttermilk subs, homemade buttermilk recipe