Use 1 cup of sour dough starter to start.

On days 1, 2, 3, and 4, leave on counter and stir daily. On day 5 add:

1 c. sugar
1 c. milk
1 c. flour

On days 6, 7, 8, and 9, stir daily. On day 10 add:

1 c. sugar
1 c. milk
1 c. flour

Stir until smooth. Take out 3 cups. Leave 1 cup for yourself for a starter. Giver 1 cup each to 2 friends. Add remaining cup to the recipe.

2/3 c. oil
1 c. sugar
3 eggs
1 tsp. cinnamon
2 tsp. vanilla
2 c. flour
1 1/2 tsp. baking soda
2 tsp. baking powder
1/2 tsp. salt

Beat until smooth, add 1 cup starter, mix well. Bake at 350 degrees for 20 minutes. May add nuts, raisins, dates, apples, etc.