2/3 cup sugar
2/3 cup milk
2/3 cup flour
Mix in plastic or glass container with lid. Cover, store at room
temperature for 17 days, stirring once a day.
After that, leave undisturbed for 1 day. Stir again daily for 3
days. Add 1 cup each of sugar, milk, and flour, then stir the next
4 days. Add another cup of each sugar, milk and flour. Mix well.
Give 1 cup each to 2 friends, use 1 cup to make a cake or use as
base for another batch of starter.