1 c. boiling water
1 c. mayonnaise
1 c. sugar
4 tbsp. cocoa
2 c. cake flour
2 tsp. baking soda

Mix sugar and cocoa together. Mix boiling water and mayonnaise. Let cool 5 minutes. Add to sugar and cocoa mixture. Add flour and baking soda. Beat 2 minutes. Bake at 350 degrees for 20-30 minutes.