Wash, halve and stone the plums. Mix 4 tablespoons plum or cherry juice and starch
Wash the lemon hot, peel 1 piece of peel (approx. 5 cm long), squeeze the juice. Boil up the rest of the plum juice with lemon peel, 2 tbsp. sugar and plums. Let simmer for about 5 minutes
Stir in the mixed starch, bring to the boil and let it cool down. Remove lemon peel
Mix quark, yoghurt, 3 tablespoons sugar and cinnamon until smooth. Season to taste with 2-3 tbsp. lemon juice. Fold in 1-2 tbsp. chocolate sprinkles
Crumble ladyfingers. Serve with curd cheese and plum compote. Decorate with the remaining crumbles