1: In a saucepan, add cold milk and cocoa and dissolve completely.
2: Place on stove and start warming it up; add sugar, coffee, vanilla, and chocolate chips until all melts and combines well.
3: Hot chocolate is ready.
4: For the topping, beat the mascarpone cheese and heavy cream together.
5: Add powdered sugar and vanilla; whip well until peaks form.
6: Layer it up! Dunk in lady fingers and enjoy this deconstructed Tiramisu!