To make homemade buttermilk it is a simple process that requires only two ingredients: regular milk and an acid. The acid can be in the form of vinegar, lemon juice, or cream of tartar.

Instructions. In a liquid measuring cup, measure one cup of milk.. Add the acid (vinegar, lemon or cream of tartar). Leave the mixture to curdle, about 10 minutes. Stir. Use as directed in the recipe.

To make buttermilk with white vinegar or lemon juice, pour 1 tablespoon of the acid into a 1-cup measuring cup. Then fill the cup to the 1-cup mark with milk, then let stand for 10 minutes.

You're in the middle of cooking and realize your recipe calls for buttermilk—here's what to do! 1 weather alerts 1 closings/delays. Watch Now. 1 weather alerts 1 closings/delays.

Rather than pour yourself a tall glass of the tangy beverage known as buttermilk, we suggest making a couple of modifications ...

You're in the middle of cooking and realize your recipe calls for buttermilk—here's what to do! 1 weather alerts 1 closings/delays. Watch Now. 1 weather alerts 1 closings/delays.

You're in the middle of cooking and realize your recipe calls for buttermilk—here's what to do! 1 weather alerts 1 closings/delays. Watch Now. 1 weather alerts 1 closings/delays.