1 1/2 c. flour
3/4 c. sugar
1 tsp. baking soda
1/4 tsp. salt
3 tbsp. cocoa

Sift ingredients together in 9 inch square pan. Make 3 depressions in mixture and put 1 teaspoon vanilla in one, 6 tablespoons oil in second and 1 tablespoon vinegar in third. Pour 1 cup cold water over all and stir with fork until mixed. Bake at 350 degrees for 30 minutes.