Let the fruit drip off, collecting the juice. Boil up the fruit and pineapple juice. Stir 3 tablespoons of water and sauce powder smooth and into the juice. Bring to the boil again.
Season to taste with coconut liqueur, fold in the fruit and let it cool down. Stir quark, sugar and lemon juice until smooth. Whip cream until stiff, fold into the quark. Serve the quark and compote garnished with browned grated coconut, orange cookies and mint