01 - Preheat oven to 350°F. Line two baking sheets with parchment paper.
02 - In a medium bowl, whisk together flour, baking powder, baking soda, salt, cinnamon, and nutmeg until evenly blended.
03 - Using an electric mixer or whisk, beat softened butter and granulated sugar together until light and fluffy.
04 - Beat in the egg and vanilla extract until fully incorporated.
05 - Gradually add the dry mixture to the wet ingredients, stirring just until combined to form the dough.
06 - In a small bowl, mix together sugar and cinnamon for the coating.
07 - Scoop tablespoon-sized dough portions, roll into balls, then toss in sugar-spice mixture to coat evenly.
08 - Place coated dough balls 2 inches apart on the prepared baking sheets to allow for spreading.
09 - Bake for 10 to 12 minutes until edges turn golden and centers remain soft.
10 - Let cookies cool on the baking sheets for 5 minutes before transferring to a wire rack to cool completely.