1 1/2 c. flour
1 c. sugar
3 tbsp. cocoa
1 tsp. baking soda
1/2 tsp. salt
6 tbsp. vegetable oil
1 tsp. vanilla
3 tbsp. vinegar
1 c. cold water

Pour all dry ingredients into sifter and sift into 9 x 9-inch ungreased cake pan. Make 3 holes in dry ingredients. Into 1st hole put vinegar, 2nd hole vanilla and 3rd hole vegetable oil. Pour cold water over all. Stir with a fork until mixed.

Bake at 350°F for 30 to 35 minutes.