Traditional Roast Sirloin of Beef

The only way to enjoy this most splendid of feasts is to make absolutely sure the beef is good because, in this case more than in any other, the cook is at the mercy of his or her supplier. Use a known reliable butcher, a supermarket that specialises in matured traditional beef, or else a recommended mail-order supplier. As with a whole ham, beef cooked on the bone has the best flavour of all.

Serves 8

This recipe is taken from Delia Smith’s Christmas.

Traditional Roast Sirloin of Beef

Ingredients
1 sirloin of beef on the bone, weighing 5-6 lb (2.25-2.75 kg) – this would be 3 ribs
½ onion, peeled
1 level dessertspoon mustard powder
1 level dessertspoon plain flour
freshly milled black pepper
Pre-heat the oven to gas mark 9, 475°F (240°C)

Method

Place the beef, just as it is, upright in a roasting tin, tucking in the half onion alongside it. Combine the mustard powder and flour, then dust this all over the surface of the fat, and finally season with a few twists of freshly milled pepper. This floury surface will help to make the fat very crusty (for those like me who want to eat what I call the 'crispies'), while the onion will caramelise to give the gravy a rich colour and flavour.

Place the joint in the oven – it will have plenty of fat so don't add extra. After 20 minutes turn the heat down to gas mark 5, 375°F (190°C), and continue to cook for 15 minutes per lb (450 g) for rare, plus 15 minutes extra for medium-rare or 30 minutes extra for well-done.

While cooking, baste the meat with the juices at least three times. To see if the beef is cooked to your liking insert a thin skewer and press out some juices: the red, pink or clear colour will indicate to what stage the beef has cooked.

Remove the cooked beef to a board for carving and leave it to rest for at least 30 minutes before serving (while it's resting you can increase the heat in the oven to finish the roast potatoes if you're serving them).

This resting period allows most of the juices which have bubbled up to the surface of the meat to seep back into it, and the meat itself firms up to make it easier to carve. Some of the juices will escape, though, and these should be poured into the gravy. Serve with Yorkshire Pudding and gravy.

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