Wash or drain the apricots (use the juice for other purposes). Cut fresh fruit in half, stone. Roughly dice 4 halves. Drain the berries (if necessary put 1 tbsp aside), collect the juice. Puree remaining berries, apricot cubes, lemon juice and 2-3 tbsp. raspberry juice. If necessary, add the rest of the berries
Whip the cream until stiff and allow the vanilla sugar to trickle in. Pour the cream into a piping bag with a star-shaped spout, squirt one cream tuff into each apricot or fill it in with a teaspoon
Spread the sauce on dessert plates and place the apricots inside. Decorate as desired with lemon balm