Ina Garten, the queen of roasted vegetables, spills the beans on how to roast like a pro, starting with Butternut Squash Hummus. Then, British-based restaurateur and chef Yotam Ottolenghi gives the lowdown on picture-perfect Roasted Baby Vegetables with Sumac and Yogurt. Next, two delectable Spanish recipes: Roasted Vegetable Paella and chef Jose Andre's roasted Escalavida Catalana. Finally, Ina makes Roast Potato and Fennel Soup and her ultimate side dish: Parmesan Roasted Cauliflower.