1. Preheat oven to 400 degrees F.
2. Lightly grease a baking sheet with the margarine or cooking spray.
3. Slice the squash into rounds 1/4 inch thick. Remove seeds on each slice and arrange squash in a single layer on the baking sheet.
4. Bake the slices for 8 minutes, turn, and drizzle lightly with maple syrup and cinnamon.
5. Bake for 8 minutes longer; remove from the oven and let cool.