1 c. powdered milk
4 c. water
1/2 c. commercial buttermilk
Pinch of salt
Mix nonfat dry milk and water until dissolved. Do not chill. Stir
in buttermilk and salt. Let stand at room temperature overnight.
Stir until smooth. Chill before serving. Keep in covered container
in refrigerator. Good for cooking too.
Reserve 1/2 cup for your next batch starter.