Amish Friendship Bread Starter

PREPARATION : 

1. Day 1: In a small bowl, combine the warm water and yeast and set aside until bubbly, 5-10 minutes. In a large non-metal bowl mix together flour and sugar, before stirring in the milk and yeast mixture.
2. Cover loosely and allow to stand at room temperature until bubbly. Pour into a one gallon ziplock bag and seal. Allow to sit at room temperature.
3. Day 2: Mash the bag.
4. Day 3: Mash the bag.
5. Day 4: Mash the bag.
6. Day 5: Mash the bag.
7. Day 6: Add 1 cup flour, 1 cup sugar, and 1 cup milk. Mash the bag until well mixed.
8. Day 7: Mash the bag.
9. Day 8: Mash the bag.
10. Day 9: Mash the bag.
11. Day 10: Pour starter into a non-metal bowl and add 1 cup flour, 1 cup sugar, and 1 cup milk. Mix well with a non-metal spoon. Divide out 1 cup portions of the starter into separate 1 gallon ziplock bags. Keep one bag for yourself, and give the rest away to friends along with this recipe!