Soak gelatine in cold water. Sort raspberries. Peel and halve the physalis. Heat syrup, wine and 75 g sugar in a small pot. Remove the pot from the stove. Squeeze the gelatine and dissolve in the warm liquid. Place the physalis and raspberries in four glasses (175-200 ml content) rinsed with cold water.
Fill up with syrup-wine mixture. Chill for about 6 hours. Mix 50 g sugar, wine and egg yolk. Beat over a warm water bath until foamy. Chill immediately. Before serving, pour some wine mousse into each glass and decorate with lemon balm
waiting time approx. 6 hours