1 3/4 c. flour
2 c. sugar
3/4 c. cocoa
1 tsp. baking powder
1 tsp. salt
1 tsp. vanilla
2 tsp. baking soda
2 eggs
1 c. cold coffee
1 c. sour milk
1/2 c. vegetable oil

Mix all dry ingredients in bowl. Add liquid ingredients and beat for 2 minutes. Pour batter in a 9 x 13 x 2 inch well greased and floured pan. Bake in 350 degree oven for 35 to 45 minutes.