Wilted Spinach and Mozzarella Tortellini Salad

Over the past six or seven months I’ve brought this pasta salad to two football gatherings, a baby shower and a picnic, where it has disappeared every time. I usually find pasta salad, well. Hollow. Pasta and herbs. Bah. Nothing very satisfying there. By using tortellini in place of plain old corkscrew pasta, you suddenly get a very hardy side dish.