This is the perfect side dish for holiday dinners. In this video, you’ll see how to make roasted Brussels sprouts and whole cipollini onions. You’ll see how to prepare your Brussels sprouts so they roast evenly. You’ll learn the secret to par-boiling vegetables. The sprouts and onions are then sautéed in brown butter and roasted in a high-heat oven. So simple. The sprouts come out with a wonderful mild, buttery cabbage flavor. If you didn’t like Brussels sprouts before, you will now! Watch the video, then get the recipe for Chef John's Roasted Brussels Sprouts. This classic side dish is the perfect addition to your Thanksgiving dinner menu.