01 - Preheat the oven to 350°F and line two baking sheets with parchment paper.
02 - Whisk together flour, baking soda, baking powder, cinnamon, nutmeg, and salt in a medium bowl; set aside.
03 - Beat softened butter with granulated sugar and brown sugar in a large bowl until light and fluffy, about 2 minutes.
04 - Add maple syrup, egg, and vanilla extract to the butter mixture; beat until fully combined.
05 - Gradually add dry ingredients to wet ingredients, mixing just until incorporated to avoid overmixing.
06 - If using, blend granulated sugar with cinnamon in a small bowl to roll the dough balls.
07 - Scoop tablespoon-sized portions of dough, roll into balls, and coat in cinnamon sugar if desired.
08 - Place dough balls on prepared sheets spaced about 2 inches apart; gently flatten each with a hand or glass.
09 - Bake for 9 to 11 minutes until edges are firm and lightly golden, while centers remain soft.
10 - Allow cookies to cool on baking sheets for 5 minutes before transferring them to a wire rack to cool completely.