Cranberry & red onion sauce

Keep this in mind for next Christmas, this makes loads so perfect with all that leftover turkey!

1 large red onion
2 tbsp vegetable oil
250 ml orange juice
150-200g Demerara sugar
250g fresh or frozen cranberries

Gently cook the onion in the vegetable oil for a couple of minutes until soft, add the orange juice and 150g of sugar and simmer until the mixture has reduced by half.
Add the cranberries and continue simmering for 10-12 minutes until the cranberries begin to break up.
Stir in more sugar if necessary; remove from the heat and leave to cool.