Mix in plastic or glass container with tight 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.