01 -
Set oven to 350°F and line two baking sheets with parchment paper.
02 -
Whisk flour, baking soda, baking powder, and kosher salt in a medium bowl until evenly blended.
03 -
Using a stand or hand mixer, beat softened butter with brown and granulated sugars on medium speed until pale and fluffy, approximately 2 to 3 minutes.
04 -
Add eggs one at a time, mixing until smooth. Then blend in vanilla extract, scraping the bowl to incorporate all ingredients.
05 -
Add dry ingredients to the mixer and blend on low speed just until flour disappears to avoid tough texture.
06 -
Gently fold chocolate chips into the dough using a spatula to maintain tenderness and even distribution.
07 -
Cover and refrigerate dough for 30 minutes for thicker cookies with reduced spread, or up to 24 hours for enhanced flavor development.
08 -
Scoop 2-tablespoon mounds of dough onto prepared sheets, spacing each 2 inches apart. Bake 10 to 12 minutes until edges are set and centers appear slightly underbaked.
09 -
Optionally, sprinkle flaky salt atop warm cookies. Cool on baking sheets for 5 minutes before transferring to wire racks to cool completely.