Oranges (juice and/or peel) contain high amounts of Naringenin which exerts anti-cancer effects through its remarkable effect on promoting tumor cell death. (1)
In orange peel, there is a higher amount of Naringenin than in the actual fruit, so making marmalade from the peel of an organic orange is an interesting way to get in some orange.
- 3kg of organic oranges
- 3 lemons
- 3 cups of white sugar
- Wash and dry the oranges and lemons.
- Halve the oranges and lemons and juice them
- Scoop out the remaining pulp and discard any seeds
- Slice the oranges and lemons thinly, approximately 1/8 inch thick, picking out the seeds as you go. A mandolin makes this process move quickly.
- Place the orange / lemon sliced in a medium saucepan over medium heat. Cover the peels in water and simmer uncovered for 1.5-2 hours.
- Add 3 cups of white sugar, stir, and keep simmering, for another 4 hours. Make sure the sugar does not caramelise or go brown. Check regularly that the fluid doesn't get too low.
- When the peels are soft enough and the liquid has thickened, turn off the stove and allow to cool down before refrigerating.
#PROTIP Delicious on slices of sourdough, quark, yoghurt, or collagen rice pudding