1 c Water; tepid
1/4 c Buttermilk; room temperature
1 1/2 c Flour
1 tbs Sugar
Mix all ingredients in a glass bowl, cover tightly with plastic wrap and set in warm part of kitchen for 3-5 days. Starter can be stored in refrigerator and must be used in 1 week or "refreshened". Glass or plastic container that cn be tightly covered to store. Recipe makes about 2 cups of starter.
To Proof: Bring starter to room temperature. In a glass bowl, combine all of the starter with, 1 1/2 cups of flour and 1 cup of water. Cover bowl with plastic wrap and set in warm place for 12 hours.
To Use: Measure 2 cups of "proofed" starter and set aside. Return remaining starter to it's container and refrigerate until needed again.
Be sure to use this starter at least once a week or refreshen it.