In the new issue (on sale 30 January), our adventurous River Cottage chef Gill Meller wraps up warm and prepares fire-roast leg of lamb. But first you need your fire – and something to roast it on. Gill used an old estate railing he found but for those of us not so lucky, click here for instructions to make your own. And if that's too much trouble, you can buy one here. How to light the fire? You're on your own there.