In a large mixing bowl with lid, combine flour, water and yeast, until well blended. Cover mixture with towel and place in a warm, draft-free, place, overnight.
Day 1: Put half of the starter ( 1 cup) in a pint jar with a tight lid and keep it in the refrigerator for future use. It lasts for months. To the second (1 cup) of starter add sugar, milk, and flour. Cover mixture with lid and refrigerate.
Day 2 to Day 4: Stir starter, cover and refrigerate, daily.
Day 5: Stir starter, add more sugar, milk and flour; cover and refrigerate.
Day 6 to Day 9: Stir starter, cover and refrigerate, daily.
Day 10: You now have "Herman" ! Use (1 cup) of "Herman" to start another cake. Give (1 cup) away and his recipes. Use the remaining (2 cups) for your "Herman Cake".
Note: You now have a sour dough mixture. Make two "Herman Cakes", using all of the mixture. Freezing one cake and serving the other. You still have that (1 cup) of starter in the refrigerator to start up a new batter in the future.

JACQUELINE'S COOKBOOK