01 - Preheat oven to 350°F. Line two baking sheets with parchment paper.
02 - In a medium bowl, whisk together the flour, baking soda, and fine sea salt until evenly mixed.
03 - In a large bowl, beat softened butter, granulated sugar, and brown sugar until creamy and light, about 2 to 3 minutes.
04 - Beat in eggs one at a time, mixing thoroughly after each addition, then stir in vanilla extract.
05 - Gradually add dry mixture to the wet ingredients, stirring just until combined to avoid overmixing.
06 - Gently fold semisweet chocolate chips or chunks into the dough until evenly distributed.
07 - Drop heaping tablespoons of dough onto prepared baking sheets, spacing about 2 inches apart.
08 - Sprinkle a pinch of flaky sea salt over each dough mound to enhance flavor.
09 - Bake for 10 to 12 minutes, or until edges are golden and centers are just set.
10 - Cool cookies on baking sheets for 5 minutes, then transfer to a wire rack to cool completely.