Super-Moist Chocolate Cake with Chocolate Buttercream Frosting Recipe

Ingredients

• 2 ounces bittersweet chocolate do not exceed 61% cacao, chopped
• 1 cup unsweetened Hershey's Special Dark Cocoa Powder or regular unsweetened cocoa powder
• 1 3/4 cups boiling water
• 2 3/4 cups all purpose flour
• 1 1/4 teaspoons baking soda
• 1/4 teaspoon baking powder
• 1 cup sugar
• 1 cup dark brown sugar packed
• 1 1/3 cups mayonnaise do not use reduced-fat,fat-free or Miracle Whip, Hellman’s
• 2 large eggs room temperature
• 2 teaspoon vanilla extract
• Chocolate Buttercream Frosting
• 1 1/4 cups butter softened
• 4 1/2 cups powdered sugar
• 3/4 to 1 cup unsweetened cocoa powder for dark frosting, use part Hershey’s Special Dark Cocoa, about 4 tablespoons
• 2 teaspoons vanilla
• 1/4 cup plus 2 tablespoons milk or heavy cream