900g Seville oranges
1.8 kg Granulated sugar or some high pectin sugar
2 tsp Dark treacle
Swig of Rum
Juice the oranges
Either steam skins for 3 1/2 hours or add the juice and skins to
pressure cooker , total liquid 900ml top up with water if needed.
Pressure cook for 30mins. Remove from heat and let it slowly de-steam
Shred the skins and return to the pan
Return to heat and slowly stir in the sugar, add treacle
boil until 105 C.
Jar it up.