Blood-orange cake

200g/7oz softened unsalted butter
350g/111/2oz icing sugar
Zest and juice of 2 unwaxed blood oranges
3 unwaxed blood oranges, to decorate the top of the cake

Mustard fruit

Makes 4 250ml/8 fl oz jars

Orange cake

Serves 8

Bergamot and cedro marmalade

You can make marmalade from almost any citrus fruit. One of our suppliers gave us a bag of bergamots – a citrus somewhere between an orange and a lemon, deep orange in colour with a distinct smell. Cedro is used in Italy to make the lovely candied peel found in panettone – its skin and pith are thick and creamy. You can alternatively use unwaxed Amalfi lemons, which are much easier to find. The resulting marmalade is pale in colour.

Oranges prize: Skye Gyngell reveals how to make your own marmalade

A traditional, bitter marmalade is as easy as toast– so why not try some lemon, grapefruit or bergamot?

Seville orange marmalade

To make good marmalade, it is essential to use fresh fruit. Last year, one of the cooks in the kitchen at Petersham made enough of the stuff to last the whole year – enough, in fact, that we were able to give it away; it makes a lovely present, so make more rather than less! I've not given exact quantities here, but you will see why as you read through the recipe.

The Long Song, By Andrea Levy

Pity Andrea Levy. It is not easy to follow up a novel as loved and acclaimed as her Orange Prize-winning Small Island. Not easy, either, to bear the weight of expectation created by becoming one of the UK's most popular black writers, quietly creating a body of work that explores and communicates the Black British experience to a mass audience.

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Back by popular demand. Iggy Pop has filmed a new advertisement for Swiftcover, the online car insurer, despite the controversy that the first campaign provoked. Not only did Iggy face accusations of selling out, it also emerged that Swiftcover would not offer insurance to musicians (it subsequently changed tack). Still, the man himself is unrepentant. "Since I was six years old I wanted to be in an advert," he says.

Get fresh: Reverse the effects of festive indulgence with Mark Hix's healthy detox dishes

Yes, it's that time of year when we all want to eat a little more healthily after all the excesses of the festive period. In fact, I had to undergo an enforced pre-Christmas detox myself this year, when a bloody van reversed into my scooter and mangled up my foot. The result was a few days in hospital without a drop of alcohol – and now that I'm on crutches I can't drink too much or I might break my neck!

Orange and onion salad

Serves 2

Cocktail: Armalita Chico

Cocktail: Pass the Buck

A sharp, unusual combination of citrus and floral balanced against the nutty notes of the buckwheat.
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