Prepare the couscous in boiling water with 1 pinch of salt according to the instructions on the packet and leave to cool. Wash the grapes, dab dry and cut in half. Mix 60 g grapes and 5 g hazelnut leaves with the cooled couscous and pour into a bowl. Mix yoghurt with sugar, pour over the couscous muesli and decorate with remaining grapes and almond flakes