2 cup flour
3 tbsp cocoa
3/4 tsp baking soda
1/2 cup mayonnaise
1 cup sugar
1 cup warm water
1 tsp vanilla
1/4 cup oil

Sift all dry ingredients together except sugar.  Set aside.  Mix mayonnaise, sugar,
water, vanilla and oil.  Add to dry ingredients, mix until smooth.  Pour in lightly
greased pan.  Bake at 375* for 30 minutes or until toothpick comes out clean.