You either love chicken feet, like I do, or hate them. There are no maybes here. In Mexico, it is added to stews and soups and served with rice and vegetables. Its collagen acts as a thickener. But ...

This stock from chef Scott Clark of Dad’s Luncheonette in Half Moon Bay, Calif., gets its luscious body from chicken feet, which release their collagen as they cook. The aromatics and umami-packed ...