Dissolve 2 teaspoons of coffee powder in 1 tablespoon of hot water and allow to cool. Drain the cherries well in a colander.
Sift the powdered sugar into a bowl, add the mascarpone and the cooled coffee and stir everything together to a smooth mass. Whip the cream separately until stiff and fold into the mocha cream.
Divide the cherries in small dessert bowls and pour the cream over them. Put 1 teaspoon of coffee powder in a sieve and dust the cream with it.