Preheat the oven to 450 F. In a medium bowl combine all ingredients except the kale and pumpkin spice. Stir to combine thoroughly, and then fold in kale. Transfer to small casserole dish and bake in a pre-heated oven for 35 minutes. Remove from oven, and serve warm or chilled.
Recipe courtesy of New York Times best-selling author and registered dietitian, Cynthia Sass.