1/2 kg coarsely chopped cranberries 3/4 liter sugar 1/2 liter light rum
Place the chopped cranberries in a 2 liter jar that has a tight-fitting lid. Add the sugar and rum. Adjust the lid securely and place the jar in a cool, dark place. Invert the jar and shake it every day for six weeks.
When ready, strain the cordial into bottles and seal with corks.