Stir together 4 tablespoons sugar, melted butter, pumpkin pie spice, and orange rind. Add pecan halves; toss to coat.
Place on a lightly greased aluminum foil-lined baking sheet. Sprinkle evenly with remaining 1 tablespoon sugar.
Bake at 350° for 20 minutes, stirring once.
Toasted Pecans: Toss 3 cups pecan halves with 1 1/2 tablespoons melted butter. Place in an aluminum foil-lined jellyroll pan. Bake at 325° for 10 minutes. Sprinkle 1 tablespoon coarse salt evenly over pecans, and bake 10 more minutes, stirring once.
