– 2 cups all-purpose flour – ½ cup unsweetened cocoa powder – 2 cups granulated sugar – 2 teaspoons baking soda – 1 teaspoon salt – ½ cup milk – 2 large eggs room temperature – 1 cup mayonnaise – 2 teaspoons vanilla extract – 1 cup hot water
– 1 ½ cups salted butter softened – 2 teaspoon vanilla extract – 1 cup unsweetened cocoa powder – 5 cups powdered sugar – 1 ½ cups heavy cream