Soak the gelatine in the water, cut the mango into small cubes,
Bring the milk to the boil with a pinch of salt, stir in the semolina and simmer over a low heat for about 4 minutes. Stir the squeezed out gelatine into the hot semolina, let everything cool down. Stir in the orange and lemon peel, vanilla sugar, mango cubes and sugar, season with orange liqueur.
Fold in the whipped cream in two parts, pour into the molds and put in the refrigerator overnight.