Drain the fruit on a sieve and collect the juice. Mix the sauce powder with 3 tbsp. fruit juice until smooth. Add the remaining fruit juice to 1/4 l with water and bring to the boil. Stir in the sauce powder and bring to the boil again briefly. Season with liqueur or rum if necessary. Fold in the fruit and let it cool down
Cream quark, sugar and lemon juice. Season to taste with sugar and lemon. Whip the cream until stiff and fold into the quark. Roast the grated coconut in a pan without fat until golden brown. Take out and let cool off
Serve lemon curd with fruit. Sprinkle with coconut shavings. Decorate with orange biscuits and mint as desired