01 -
Preheat oven to 175°C and line a muffin tin with cupcake liners.
02 -
In a bowl, whisk together flour, cocoa powder, baking powder, and sugar until evenly mixed.
03 -
In a separate bowl, whisk eggs, milk, and vegetable oil until smooth and homogenous.
04 -
Gently fold wet ingredients into dry ingredients, mixing until just combined without overmixing.
05 -
Spoon batter into cupcake liners, filling each about two-thirds full. Bake for 18 to 20 minutes.
06 -
Allow cupcakes to cool completely before proceeding with filling.
07 -
Mix mascarpone cheese with espresso until smooth. Fill cooled cupcakes with this mixture.
08 -
Lightly dust the tops of filled cupcakes with unsweetened cocoa powder before serving.