Rare roast beef with mustard and garlic soured cream
Rare roast beef with mustard and garlic soured cream
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Ingredients
- 2 tbsp extra-virgin olive oil
- 2 x 1.5kg beef sirloin joints or beef rump roasting joints
- 200g grain mustard
- 4 tbsp fresh lemon thyme leaves
- 85g rocket leaves, to serve
For the garlic soured cream:
- 600g soured cream
- 3-4 garlic cloves, peeled and crushed to a paste, to taste
- 1 tbsp lemon juice
- cayenne pepper, for dusting (optional)
- sea salt
Step by step
The beef can be roasted the day before, then cooled and chilled. Serve at room temperature.
Preheat the oven to 150°C, fan 140°C, gas 2. Heat ½ tablespoon of the oil in a large frying pan over a high heat. Season and sear the joints one at a time on all sides and both ends, for 30-60 seconds each side until well-coloured. Place them fat-side up on a board and brush the mustard over the top and down the sides. Scatter over the thyme and gently press them into the mustard.
Place the joints in a large roasting tin, drizzle over the remaining oil and roast for 1 hour 10 minutes for rare, then leave to cool. Slice and arrange on serving plates on a bed of rocket.
For the garlic soured cream, blend the soured cream, garlic, lemon juice and salt in a bowl, then spoon into a couple of serving bowls. Cover and chill until required. To serve, season with freshly ground black pepper or cayenne pepper, if you prefer.
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Tip
Roasting sirloin in a slow oven makes for superbly tender eating, and leaves it really rare in the centre.
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