Bring milk, sugar, butter, salt and lemon peel to the boil. Slowly stir in semolina. Remove the pot from the heat and let it swell for about 1 minute. Stir in eggs and ground pistachios bit by bit.
Use 2 teaspoons to cut off small dumplings and let them simmer in boiling water for about 5 minutes. In the meantime carefully wash and sort out the raspberries. Put about 10 raspberries aside. Fill the rest into a bowl with the apple juice and puree them with the chopping stick of the hand mixer.
Fill raspberry cold dish, drained pistachio dumplings and remaining raspberries into plates. Decorate cold peel with grated lemon.