1/2 c. starter
1 c. milk
1 1/2 c. flour
1 c. sugar
1/2 c. shortening
1/2 tsp. salt
1 tsp. vanilla
2 eggs
1 1/2 tsp. baking soda
3 sq. melted chocolate

Mix starter, milk and flour and let stand in warm place, 2 to 3 hours, until bubbly and is a clean sour milk odor. Cream sugar, vanilla, salt and soda. Add eggs one at a time beating well after each.

Combine creamed mixture, melted chocolate and sourdough mixture, mix at low speed. Bake at 350 degrees for 25 minutes or until done.