Roasted Winter Squash

Name: Roasted Winter Squash
Ingredients: About 3 pounds butternut squash (preferably 1 large squash); Gray salt; Freshly ground black pepper; 1/2 cup (1 stick) unsalted butter; 2 tablespoons finely chopped fresh sage leaves; 2 tablespoons granulated sugar; 1/4 cup balsamic vinegar; 1/4 cup dark unsulfured molasses; 2 teaspoons Toasted Spice Rub, recipe follows; 1/4 cup fennel seeds; 1 tablespoon coriander seeds; 1 tablespoon peppercorns; 1 1/2 teaspoons red pepper flakes; 1/4 cup (1-ounce) pure California chili powder; 2 tablespoons kosher salt; 2 tablespoons ground cinnamon