Title: How To Make Buttermilk from Plain Milk with Lemon Juice or Vinegar | Kitchn
Headings: How To Make Buttermilk from Plain Milk with Lemon Juice or Vinegar
How To Make Buttermilk from Plain Milk with Lemon Juice or Vinegar
Why Do We Need Buttermilk Anyway?
Making a Substitute for Buttermilk
How To Make a Quick & Easy Buttermilk Substitute
Ingredients
Equipment
Instructions
Recipe Notes
Other Buttermilk Substitutes:

Content: Stir the milk or cream and lemon juice or vinegar together in a measuring cup. Let stand 5 to 10 minutes. Let the mixture stand at room temperature for 5 to 10 minutes. When it is ready, the milk will be slightly thickened and you will see small curdled bits. This substitute will not become as thick as regular buttermilk, but you will also not notice the curdled bits in your finished recipe. Use the buttermilk. Use this substitute (including curdled bits) as you would buttermilk in your recipe. Recipe Notes
Other Buttermilk Substitutes: Yogurt: Mix 3/4 cup plain yogurt with 1/4 cup water to thin.