01 - Preheat oven to 350°F. Line two baking sheets with parchment paper.
02 - In a medium bowl, whisk together flour, baking powder, and salt. Set aside.
03 - In a large bowl, beat softened butter and 1 cup sugar until light and fluffy, approximately 2 to 3 minutes.
04 - Add maple syrup, egg, and vanilla extract to the butter mixture, blending until combined.
05 - Gradually fold dry ingredients into wet ingredients until just incorporated; avoid overmixing.
06 - Scoop tablespoon-sized portions of dough, roll into balls, then coat each in remaining 1/4 cup granulated sugar.
07 - Place dough balls 2 inches apart on baking sheets. Gently flatten each with the bottom of a glass.
08 - Bake for 9 to 11 minutes or until edges start to turn golden. Avoid overbaking.
09 - Allow cookies to cool on baking sheets for 5 minutes before transferring to a wire rack to cool completely.