Select the berries, wash briefly and drain well. Strip the currants from the panicles with a fork
Puree a good 1/3 of the berries with the cutting stick and pass through a fine sieve. Stir the quark, buttermilk, vanillin sugar and sugar until smooth. Stir in approx. 2/3 fruit puree marble-like. Add the remaining berries, except for a few
Pour everything into a large bowl. Serve with remaining fruit puree and berries. Decorate with mint and icing sugar