Moist Black Velvet Cupcakes – Dark, Rich & Perfect for Halloween These deep black velvet cupcakes are ultra-moist, rich with cocoa flavor, and topped with a silky black cocoa buttercream. Add fun sprinkles or candy eyes for a creepy-cute Halloween treat! Ingredients For the Cupcakes: ¾ cup 3 tbsp cake flour ¾ cup granulated sugar ¼ cup packed dark brown sugar ½ tsp baking powder ¼ tsp baking soda ½ tsp fine sea salt 4 tbsp unsalted butter, room temperature ½ cup hot brewed coffee ½ cup Dutch-pro