Dish of the Week: Butternut squash This week Gourmet’s Ruth Reichl called butternut squash fall’s finest vegetable. “Its sweet flavor and silky texture make butternut squash a star in many of our favorite fall recipes,” she wrote. The only problem is that most of the time, it seems to find its way into overly sweet soup. Luckily our intrepid DCist food staff came through with some of their other favorite uses for butternut squash. Alyse…