1 c. sugar
1 1/2 c. flour
1 tsp. baking soda
3 tbsp. cocoa
1/2 tsp. salt
1 tsp. vanilla
1 tsp. vinegar
1 c. cold water
5 tbsp. melted shortening

Mix thoroughly. Pour into greased and floured rectangle baking pan. Preheat oven to 350°F.

Bake 30 to 40 minutes.