01 - Preheat oven to 350°F (175°C). Line two baking sheets with parchment paper.
02 - In a medium bowl, whisk together all-purpose flour, baking soda, and salt. Set aside.
03 - In a large bowl, beat softened unsalted butter, granulated sugar, and brown sugar until light and creamy.
04 - Incorporate eggs one at a time, beating thoroughly after each addition. Blend in vanilla and peppermint extracts.
05 - Gradually mix the dry ingredients into the wet mixture, stirring just until combined with no visible flour streaks.
06 - Gently fold in semi-sweet chocolate chips and crushed peppermint candies.
07 - Scoop tablespoon-sized portions of dough onto prepared baking sheets, spacing about 2 inches apart.
08 - If desired, sprinkle additional crushed peppermint candies over dough portions for garnish.
09 - Bake for 9 to 11 minutes, until the edges are lightly golden and centers remain soft.
10 - Allow cookies to cool on the baking sheet for 5 minutes before transferring to a wire rack to cool completely.