In a large heavy bottomed pot, mix together pineapple puree, cream ofcoconut, rum, and lemon juice.
Stir in sugar and bring to a full rolling boil(one that can't be stirred down) over high heat. Stir constantly, boil hard forthree minutes. Remove from heat and stir in pectin. Skim off any foam.
Ladle into sterilized jars to within 1/4 inch of rim. Wipe rim clean. Applylids and rings and tighten rings just fingertip tight.
Process jars in boilingwater bath canner for 5 minutes.
Yields 6-8 half pints
(For low sugar version add: 2 t. Pomona Pectin and 2 t. calcium water)