Mix melted butter and sugar together
Add eggs and milk to the mixture
Stir in hot espresso shot
In a separate bowl, combine flour, cocoa powder, baking powder, and baking soda
Mix dry ingredients into wet ingredients
Add orange zest
Divide batter into 12 cupcake liners
Bake at 180°C for 25-30 minutes
Allow cupcakes to cool completely
For frosting, ensure all ingredients are at room temperature
Beat cream cheese and whipping cream together
Add icing sugar and mix until smooth
Fold in melted dark chocolate and cocoa powder
Frost cooled cupcakes with the mixture
