2 c. flour
1 c. sugar
2 tsp. baking soda
1 c. cold water
1 c. mayonnaise or salad dressing
4 tbsp. cocoa
1 tsp. vanilla

Pour into a greased and floured 9 inch cake pan or square layer pan. Bake in a 350 degree oven for 35-45 minutes. Ice with a butter cream icing.