SHOPPING LIST: Cooking Skills: Beef and Steak 1, Chapter 4 (Roast Beef) Topside or silverside, a sirloin or rib joint, plain flour, eggs with the British Lion mark, milk, sunflower or rapeseed oil or beef dripping, butter, English mustard powder, an onion, low-salt beef stock, flaked sea salt, black pepper, a roasting tin, a 12-hole bun tin, a carving knife and fork, foil, and a probe thermometer. A roast topside (4 to 6 portions) [ ] 1 kg topside or silverside joint, tied [ ] 1 tbsp sunflower or rapeseed oil [ ] 1 tsp English mustard powder [ ] 1 tsp flaked sea salt [ ] 1 pinch black pepper [ ] 1 onion, thickly sliced A rib or sirloin joint (6 to 8 portions) [ ] 1.5 kg boneless sirloin or rib joint [ ] 2 tsp flaked sea salt [ ] 1 tbsp sunflower or rapeseed oil [ ] 1 tsp black pepper [ ] 1 tbsp plain flour [ ] 30 g butter Yorkshire puddings (12) [ ] 100 g plain flour [ ] 3 Lion-marked eggs [ ] 150 ml milk [ ] 1 pinch salt [ ] 4 tbsp sunflower or rapeseed oil, or beef dripping [ ] 12-hole bun or muffin tin Gravy from the tin (6 portions) [ ] 1 tin roasting tin with the beef juices and fat [ ] 1 tbsp plain flour [ ] 400 ml beef stock (low-salt), hot [ ] 100 ml water from boiled vegetables (optional) [ ] 1 tsp mustard or redcurrant jelly (optional) For the experiments [ ] Two small extra joints (about 500 g each) [ ] A wire rack