Cut the vanilla pod lengthwise and scrape out the pulp. Bring the milk, vanilla pod and pulp, lemon peel and 90 g sugar to the boil. Remove from heat and stir in semolina. Bring to the boil and let it swell for about 5 minutes while stirring over a mild heat. Remove lemon peel and vanilla pod
Separate two eggs. Beat the egg whites until stiff, while pouring in 1 tbsp. sugar. Mix the egg yolks with some hot semolina and stir into the remaining semolina mixture. Fold in portions of beaten egg white. Leave to cool. Fill semolina pudding in large cams into a greased casserole dish (approx. 30 cm long). Drain the apricots and collect the juice. Halve half the apricots and spread around the cams
Mix quark, cream, 1 egg and 3 tablespoons of sugar and pour over the cams. Bake in the preheated oven (electric cooker: 225 °C/ convection oven: 200 °C/gas: level 4) for approx. 20 minutes
Purée the remaining apricots, liqueur, lemon juice and 7-8 tbsp. apricot juice. Sprinkle casserole with pistachios and dust with icing sugar. Add the apricot sauce