Here are the main differences: Chuck roast comes from the shoulder, while rump roast comes from the hindquarters. Both areas are hard-worked, muscular parts of a cow, so they result in lean cuts.
Choose a boned and rolled shoulder, which will be simple to carve, or buy it on the bone for more flavour, especially if you intend to slow roast it. However long you plan to roast your pork ...
Insert the garlic into the holes. Place the lamb in a roasting tin and roast for about 20 minutes until brown. Carefully turn the lamb over and roast for a further 20–30 minutes until brown all ...
Rub the lamb shoulder with the oil and season with salt and pepper. Put the lamb in a flameproof roasting tin and brown over high heat. Add the shallots, garlic and cumin, then roast in the oven ...