Place bottle with glaze in hot water for about 10 minutes
Cut the cake into 8 slices. Spread half red fruit jelly on top. Place one half of a peach on each. Whip the cream until stiff and allow the vanilla sugar to trickle in
Fold the yoghurt into the cream and put it as a blob on the sandwiches. Decorate with glaze and mint. Add the rest of the jelly