Classic Sirloin Roast

Beef · Sirloin

The traditional British Sunday centrepiece — a bone-in sirloin roast, cooked to medium-rare and served with all the trimmings.

Serves 6 peoplePrep 15 minCook 1 hr 30 min

Ingredients & method

Ingredients

  • 2 kg bone-in sirloin roast
  • 2 tbsp Dijon mustard
  • 2 tbsp horseradish sauce
  • 2 tbsp fresh thyme leaves
  • 1 tbsp coarse salt
  • 1 tbsp black pepper
  • 2 onions, halved
  • 500 ml beef stock (for the tray)
  • Yorkshire pudding and roast potatoes to serve

Method

  1. 1Remove the beef from the fridge 2 hours before roasting. Mix together mustard, horseradish, thyme, salt, and pepper to make a paste. Rub all over the beef.
  2. 2Preheat oven to 220 °C. Place the onion halves cut-side down in a roasting tin — they act as a trivet. Rest the beef on top, fat-side up.
  3. 3Roast for 20 minutes at 220 °C, then reduce to 170 °C. Continue until a probe reads 52 °C at the thickest point, about 60–70 more minutes.
  4. 4Transfer to a board, tent loosely with foil, and rest for 20 minutes. Pour stock into the roasting tin and deglaze over the hob for a simple pan jus.
  5. 5Carve the beef across the grain in thick slices. Serve with Yorkshire pudding, roast potatoes, and the pan jus.

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Chef's tip
The internal temperature continues to rise 3–5 °C during resting, so always pull the joint slightly before the target temperature.

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