Wash, clean and cut the rhubarb into pieces. In a saucepan, cook rhubarb, vanilla sugar and 2 tablespoons of sugar covered over medium heat for about 12 minutes until soft. Let cool and puree
Mix yoghurt, lemon juice and 40 g sugar, chill. Pour a little puree into the ice-on-stick moulds (each containing approx. 50 ml) and freeze for approx. 20 minutes. Remove the moulds and fill them with yoghurt. Put the stems in and freeze for approx. 4 hours
waiting time approx. 4 1/2 hours