Pressure Pan Marmalade

• 2lb/1 kg Seville oranges
• juice of 2 lemons
• 2<

Peel the oranges thinly and cut peel into thin strips. Take the pith from the fruit and put it into a piece of muslin with the pips. Cut up the fruit roughly. Put fruit, peel, lemon juice and the muslin bag of pips into the pressure pan with half the water. Bring to 101b (medium) pressure and cook for 10 minutes. Reduce pressure at room temperature. Take out the bag of pips and squeeze the liqu