Substitute Buttermilk

• 1 cup water
• 23 cup powdered milk
• 1 teaspoon vinegar

1. Make milk from water and milk powders.
2. Add vinegar and let sit for 10 minutes.
3. Use as you would buttermilk.

water, powdered milk, vinegar

Taken from www.food.com/recipe/substitute-buttermilk-74359 (may not work)