Drain the apricots and collect the juice. Cut the apricots into slices. Clean and wash the raspberries. Bring the apricot and passion fruit juice briefly to the boil. Season with 1 teaspoon sugar and lemon juice.
Stir cornflour and some water until smooth. Thicken the juice while stirring constantly, bring to the boil again. Carefully fold in the fruit, let it cool down. Stir quark, milk, cocoa and remaining sugar until smooth.
Fill the porridge and curd in portions into small bowls. Slice the chocolate on top and serve.