Sirloin with Chimichurri Sauce

Cooking time:     3 hrs 10 mins
Serves:                10

What you need

2kg boned well-hung John Penny beef sirloin, not rolled
flaked sea salt
ground black pepper

chips

For the chimichurri sauce:
12 garlic cloves
8 long red chillies
2 large handfuls of fresh young curly parsley
4 heaped teaspoons dried oregano
5 tbsp red wine vinegar
5 tbsp virgin olive oil
5 tbsp cold water

How to cook

To make the chimichurri sauce, first peel the garlic and deseed the chillies. Chop both very finely and scoop into a clean jam jar.  Remove the tough stalks from the parsley and finely chop the leaves. Add the parsley leaves to the jar along with the oregano, salt, vinegar, oil and water.  Stir until all the ingredients are well combined.

Put the lid on and leave to sit for several hours or overnight, allowing the flavours to develop.

Roughly 1½ hours before serving, light the barbecue, making sure that you use enough coals to maintain a good temperature for at least an hour.

Season the beef all over with salt and a few twists of black pepper.

When the coals are dusted with a fine coating of grey ash and all the flames have gone (this is essential, otherwise the meat will burn) put the beef on a rack over the top so that the meat is around 25cm from the coals.

Sear on the fatty side until well coloured, then cook fat-side up for 25 minutes.  Turn the sirloin again before cooking for a further 20 minutes. When the beef is done, lift onto a board and leave to rest for 10 minutes.

Serve with the chimichurri sauce and chips.

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