Mix the mascarpone with quark, milk and vanilla sugar to a smooth cream.
Heat the butter in a pan, add the sugar and toast the flaked almonds in it.
Crumble the meringue in a baking dish, spread the frozen fruits on top, spread the mascarpone cream on top and sprinkle the dessert with the flaked almonds.
Let steep in the refrigerator for 3-4 hours before serving.