Ingredients
Equipment
Method
- Preheat oven to 350°F (175°C) and line a cupcake pan with liners.
- Whisk flour, cocoa powder, sugar, baking powder, baking soda, and salt in a bowl.
- Whisk eggs, oil, vanilla, and sour cream in another bowl.
- Combine wet and dry ingredients, then mix in hot espresso until smooth.
- Divide batter into liners and bake 18–20 minutes.
- Brush warm cupcakes with espresso soak.
- Beat mascarpone briefly until smooth.
- Whip cream, powdered sugar, and vanilla to medium-stiff peaks.
- Fold whipped cream into mascarpone to create frosting.
- Pipe frosting onto cupcakes and dust with cocoa powder.
Notes
Keep mascarpone and cream cold for stable frosting.
