Kumquat Smoothie Jam

1. 1

   In a spice/coffee grinder, blend the cardamom seeds with some sugar, to crush the seeds and maximise the flavour extracted.

2. 2

   Wash the kumquats and remove the stalk/stalk bed. Slice the kumquats in half length-ways then separate the skin from the central fruit flesh and seeds being careful not to discard anything of the membrane and seeds - set them aside in a small bowl as they're pectin-rich, perfect for providing a great set.

3. 3

   Put the kumquat skins and the water in a large non-reactive bowl. Then put the membrane and seeds in a cheesecloth spice bag or in a makeshift cheesecloth bag - add to the skins in water. Cover and let stand for about 12 hours or overnight.

4. 4

   After the 'rest', gently squeeze the cheesecloth into the bowl with the skins and water, to release the translucent, thick pectin-rich juices. Repeat the squeeze until most of the juices have been extracted, then discard the membrane and seeds.

5. 5

   Put the kumquat mixture in a blender or food processor and pulse a few times, till the skin is chopped up and you get a cloudy, orange mixture.

6. 6

   Pour the fruit mixture into a heavy-bottomed, medium sized saucepan and add the cardamom sugar and the ginger, stirring to dissolve it.

7. 7

   Bring to a boil on high heat, 1 - 2 minutes and then turn down heat to a simmer to prevent excessive caramelisation and preserve the colour. Allow it to simmer, checking for 'readiness' by visual inspection - skim off any foam, and gently stir occasionally. From the world of jam gelling, it is ready when the temperatures reach about 100 degrees C (or 215-220 degrees F) and a teaspoon of mixture dropped onto a cold plate gels.

8. 8

   Remove the pan from the heat once it has set and let stand for about 5 minutes. Then use as you want or can, according to your favourite canning recipe.

* Per serving · 4 servings · Values may vary.