Hot orange sauce

• 2 carrots
• 1 onion
• 1 stick celery

Chop the vegetables and put them in a thick saucepan with the butter. Sprinkle them with sugar and fry to a deep brown. Add the stock and bring the sauce to the boil. Skim and simmer for 2 minutes.

Meanwhile, peel the oranges with a potato peeler and cut the peel, which should have no pith on it, into small, even shreds. Drop these into a pan of boiling salted water and let them boil fo