2 c. flour
1 c. sugar
5 tbsp. cocoa

Sift and mix the above ingredients. Dissolve 2 teaspoons baking soda in 1 cup cold water. Add 1 teaspoon vanilla. Fold in 1 cup salad dressing. Pour into prepared 9 x 13 inch cake pan. Bake at 375 degrees for 30 to 35 minutes.