Get you butcher to debone the leg of lamb for you. Pre heat the oven to 190ºC 1. Lay the lamb out flat and make small incisions with a sharp knife into the flesh. Poke 1 piece of garlic and 1 piece of rosemary into each hole. Season and rub with half of the olive oil. 2. Turn lamb over and repeat the process. 3. Place lamb into a baking dish and bake at 190ºC for 1½ Hours. 4. Peal and cut pumpkin, potatoes, carrots and onions. 5. Add pumpkin, potatoes, carrots and onions to baking dish with the lamb after 50 minutes and lightly spray with olive oil. 6. Steam, boil or microwave peas and beans. Serve with your favourite red wine