Gingerbread Lamb Steaks

I invented this dish a few years ago when I was on the way to the bin to dispose of an old gingerbread house that my daughter had made. It was in late January and I was preparing a dramatic lamb raan, with a hearty punch of warming spice. In a moment of inspiration, I tipped the gingerbread house, icing and all, into the marinade for the lamb and blitzed it all up to a biscuity, soul-warming slather, which was then rubbed all over the lamb leg before roasting. The roasted outcome was