Chop the chocolate coating and melt it over a warm water bath. Spread on a marble board, chill and let it set for a short time. Use a spatula to remove the chocolate coating into small rolls and chill.
Mix espresso and liqueur. Place 2 sponge fingers on each dessert plate and sprinkle with the espresso and liqueur mixture. Place 2 scoops of ice cream on each. Decorate with chocolate rolls.