
Pre-cook the invert syrup and cool. Fill them with cherry plum. To make invert syrup, mix sugar and water in a saucepan. Place the pan on the stove, bring to the boil, stirring to dissolve all the sugar. Reduce the heat to a minimum and continue to cook the syrup for about 30 minutes. Cover the pan with a lid. Drip a drop of syrup onto a plate, if it does not spread, then it is ready.