Pineapple Jam

1 large ripe Pineapple
3 limes or 1 large lemon
White sugar equal in weight to the prepared pineapple

Method
Peel the pineapple , remove all woody bits and cut into small 1 cm cubes.
Put the pineapple with the sugar into a non metallic bowl and leave for 12 hours.
Transfer the fruit to a preserving pan , add the juice of the limes or lemon and boil rapidly until the pineapple is transparent and the syrup has thickened.
Skim at this stage if necessary .
Remove pan from the heat and allow to cool before putting in prepared jars.