Cultured Buttermilk - cooking recipe

Ingredients

1 1/3 cups powdered milk
3 3/4 cups water
1/2 cup fresh buttermilk

Preparation

Mix up a quart of reconstituted powdered milk by combining dry powdered milk with water.
Add fresh buttermilk.
Evening: Allow it to stand on the kitchen counter overnight; in the morning it will be buttermilk.
or Morning: Allow it to stand on the kitchen counter through afternoon; in the evening it will be buttermilk.
Store in refridgerator up to two weeks.