Roughly crush the macaroons and spread them over the base of a serving dish.
Arrange the flødeboller on top, upside down, and press them down so the chocolate shells crack and they lie with their bases facing up.
Whisk the ingredients for the mascarpone cream together until just thick – take care not to overwhip.
Spread the mascarpone cream over the flødeboller, then top with plenty of fresh berries.Serve straight away, or keep chilled until serving. It can easily be made 3-4 hours ahead.