Directions:
Preheat the oven to 350 degrees F. Lightly grease a 9×13 pan or cake pans of your choice.
Mix together the flour, cocoa powder, baking soda, baking powder and sugar together until well combined. Whisk in the mayonnaise, and then add the water and vanilla extract and whisk until well combined.
Pour into prepared pans. Bake for 25-30 minutes. Frost with your favorite chocolate frosting.
