01 -
In a medium bowl, blend egg yolks and white sugar with a hand mixer on medium-high speed until mixture is pale and thickened.
02 -
In a separate bowl, whip heavy cream with vanilla extract until stiff peaks form using a hand mixer.
03 -
Gently fold mascarpone cheese into the egg yolk mixture until smooth and well integrated.
04 -
Carefully fold the whipped cream into the mascarpone mixture in batches, using a rubber spatula to maintain a fluffy texture.
05 -
In a shallow bowl, dissolve brown sugar into cold espresso, stirring until fully blended.
06 -
Briefly dip each ladyfinger into the coffee mixture, ensuring they are moistened but not oversoaked.
07 -
Arrange a layer of coffee-soaked ladyfingers into the base of each serving cup.
08 -
Spoon an even layer of mascarpone cream over the ladyfingers, smoothing with a spatula.
09 -
Alternate layers of soaked ladyfingers and mascarpone cream, finishing with a creamy top layer.
10 -
Cover assembled cups with plastic wrap and refrigerate for at least 6-8 hours, preferably overnight, to set.
11 -
Before serving, dust the tops with coffee powder or grated chocolate for decoration. Serve chilled.