Ingredients

1. Wash the passionfruit well. Cut in half, scoop out the pulp and set aside. Put half the passionfruit shells in a bowl, cover with the water and leave overnight.

2. Transfer the shells and water to a pan and boil for about 30 minutes, or until the insides of the shells are tender. Drain the shells, scoop out the soft pulp inside and discard the shells. Chop up the pulp.

3. Put the pulp, reserved passionfruit and water in a pan and bring to the boil. Add the lemon juice and sugar, stir until dissolved and boil rapidly to setting point.

From: Grow Your Own Fruit & Vegetables