In this video, you’ll see how to make cauliflower gratin “truffled” with truffle pecorino instead of truffle oil. The truffle cheese gives a better, truer truffle flavor and unlike truffle oil isn’t overpowering. Watch the video, then get the recipe for Chef John's Truffled Cauliflower Gratin. The truffle pecorino turns an already tasty side dish casserole into something very special.