Wow! My tummy does a happy dance just thinking about making and eating this again. Radicchio is naturally a little bitter, but it loves being grilled or roasted, and it has a special affinity for balsamic vinegar and Parmesan cheese (see our grilled radicchio salad recipe). Combine those ingredients with the sweetness and substance of butternut squash and onions, and now your palate is firing on all levels - sweet, sour, salty, bitter, and umami. Great alongside roast beef or prime rib, or as a vegetarian meal in and of itself. Arrange in one layer on baking sheets (you may need two) and put in the oven. Roast the vegetables until their edges are nicely caramelized, turning the radicchio and onion wedges over about halfway through the roasting. The radicchio, onion, and squash will roast at different speeds. So periodically you’ll have to remove the finished vegetables and let the others remain in the oven to finish roasting. As a guideline, roast the radicchio for about 25 minutes, turning halfway. Roast the onions about 35 minutes, again, turning halfway. Roast the squash pieces for 45 minutes, but do not turn. In all cases do not remove from the oven until you see browning on the edges. To serve, sprinkle with some grated Parmesan or pecorino cheese. Butternut Squash and Arugula Salad with Warm Balsamic Vinaigrette from Taste Food Squash, radicchio, and mushroom lasagna from Umami Girl
