Roughly chop the chocolate and melt in a hot water bath. Roast the grated coconut in a pan without fat, remove.
Put 200 g of frozen raspberries and buttermilk into a high mixing bowl and leave to stand for 3-5 minutes. Add ice and puree everything with a hand blender.
Place meringue shells on four plates. Spread the raspberry ice cream on them immediately. Cover with the rest of the frozen raspberries.
Dip a teaspoon into the liquid chocolate and pull it into strips over the tartlets. Sprinkle with coconut flakes. Serve immediately!.