3 c. flour
2 c. sugar
1/2 c. cocoa
2 tsp. baking soda
1 tsp. salt
2 tsp. vanilla
2/3 c. salad oil
2 c. cool water
2 tbsp. vinegar

Sift dry ingredients into bowl. Add rest of ingredients and mix thoroughly. Pour into greased 13 by 9 pan. Oven 350 degrees for 30 to 35 minutes.