Cranberry Cordial

1/2 kg coarsely chopped Cranberries
3/4 L Sugar
1/2 L 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. Strain the cordial into bottles and seal with corks.