Oranges and lemons to add tang to Christmas food

Valerie O’Connor peels away the secrets of oranges and lemons to add tang to festive fare.

On a trip to Beijing many years ago, we entered the snow-blind city and the first thing that struck me after the cold, was the endless mountains of mandarin oranges for sale along the roadside.

Oranges make up over 70% of the world’s fruit production and we glug gallons of juice every day.