Cumberland sauce

Method

1. Place the zest in a small pan, cover with water, bring to the boil and simmer for 5 minutes to soften it and remove any bitterness. Set aside.
2. Meanwhile, place the orange juice and the rest of the ingredients in a small pan over a medium heat and bring to a gentle simmer. Cook for 5-10 minutes until thickened. Stir in the reserved zest, and serve.