Chocolate Mocha

- Cupcake: All-purpose flour, kosher granulated sugar, unsalted butter, cocoa powder, brewed strong coffee, eggs, whole milk, baking powder, baking soda, salt, pure vanilla extract.

- Frosting: Swiss mocha buttercream made by heating egg whites and kosher granulated sugar, whipping to stiff peaks, then incorporating unsalted butter and espresso powder.

- Garnish: Chocolate shavings.