Grapefruit Marmalade

• 1 grapefruit
• 1 lemon
• 1 orange
• 4

Cut all fruit up finely, removing seeds. Pour over four pints of cold water and let it stand for twenty hours or more. Tie pips in a piece of muslin and put in with the fruit. Boil until it is tender, then add 4lb sugar (remove seed bag first). Stir until dissolved, then boil up again until it sets when tested. Makes 6lb marmalade.