Passionfruit Marmalade

Directions

1. 1
   Slice grapefruit, oranges and mandarins very thinly.
2. 2
   Place in a large bowl and cover with 6 pints (or about 2. 8 litres) of water and stand overnight.
3. 3
   Next morning put them into a large pot and boil slowly till skins are tenders (about 2 hours).
4. 4
   Meanwhile, scrape the pulp from the passionfruit.
5. 5
   Reserve.
6. 6
   Place the skins from the passionfruit in a separate pot, cover with water and cook until skins are tender.
7. 7
   Scrape out pulpy inner flesh and discard outer skin.
8. 8
   Chop the flesh and add to the pot of tenderised citrus skins.
9. 9
   Add the juice of 2 lemons and 6 lb (or about 2. 8kg) of sugar.
10. 10
    Stir until sugar is dissolved then boil until setting point is reached.
11. 11
    Add the passionfruit pulp and return to boil for 2 minutes.
12. 12
    Allow to stand for 10 minutes.
13. 13
    Boil and seal.
14. 14
    Don't open for 6 weeks!