01 - Preheat oven to 350°F. Line two baking sheets with parchment paper.
02 - In a medium bowl, whisk together flour, baking soda, baking powder, and fine sea salt until well blended.
03 - In a large mixing bowl, whisk melted butter, brown sugar, granulated sugar, and maple syrup until smooth and fully incorporated.
04 - Add egg and vanilla extract to wet mixture, whisking until completely combined.
05 - Gradually stir dry ingredients into wet mixture using a spatula or wooden spoon, mixing just until flour disappears. Do not overmix.
06 - Fold in chocolate chips until evenly distributed throughout dough.
07 - Scoop tablespoon-sized balls of dough onto prepared baking sheets, spacing 2 inches apart to allow for spreading.
08 - Bake for 10-12 minutes until edges are golden brown and centers appear set.
09 - Immediately sprinkle warm cookies lightly with flaky sea salt.
10 - Let cookies rest on baking sheet for 5 minutes, then transfer to wire rack to cool completely.