Three Fruit Marmalade

• 2 grapefruit
• 2 sweet oranges
• 4 lemons
• 6

Cut all the fruit in half. Put the pips, and the pith and membranes from the grapefruit into a muslin bag. Shred all peel finely and cut up the flesh roughly. Put the peel, flesh, water and bag of pips into a pan and simmer for one-and-a-half hours. Take out the bag of pips and squeeze to extract the liquid. Stir in the sugar until dissolved, and boil rapidly to setting point. Cool slightly and