Black Angus Sirloin

• 1.2 kg (2 lb 10 oz) piece of black angus sirloin
• 30

Preheat the oven to 180°C (350°F/Gas 4). Trim the excess fat from the beef. Halve the sirloin lengthways, then cut each piece widthways into 3 equal pieces so you have 6 × 200 g (