Line two 12-count cupcake pans with cupcake liners.
In a large bowl, combine flour, cocoa powder, and baking soda; set aside.
In a medium bowl, combine mayonnaise, eggs, sugar and vanilla for until light and fluffy.
Add mayonnaise mixture to the dry ingredients. Slowly add in water as you whisk. Whisk until ingredients are combined. Batter will be medium thin and have tiny air bubbles.
Using an ice cream scoop, carefully fill cupcake liner with a little over ¾ of batter.
Bake for 14-16 minutes or until a toothpick inserted into the center comes out clean.
Once done, allow to cool completely before frosting- about 30 minutes.
Frosting Direction
In a medium bowl, add all frosting ingredients and whisk until well combined and creamy-about 1 minute. Use a frosting spatula to add 1 tablespoon of frosting to each cupcake.
Notes
Nutritional values may differ and are meant to be a guide.