01 - Preheat oven to 350°F. 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 mixing bowl, beat softened unsalted butter with granulated sugar and brown sugar until light and creamy.
04 - Add eggs one at a time, beating thoroughly after each addition. Blend in pure vanilla extract and peppermint extract.
05 - Gradually add the dry ingredient mixture into the wet ingredients, mixing just until combined.
06 - Stir in semi-sweet chocolate chips and crushed peppermint candies until evenly distributed.
07 - Scoop tablespoon-sized portions of dough onto prepared baking sheets, spacing about 2 inches apart.
08 - Optionally, sprinkle extra crushed peppermint on each dough ball. Bake for 9 to 11 minutes, until the edges are lightly golden and centers remain soft.
09 - Allow cookies to cool on baking sheets for 5 minutes, then transfer to a wire rack to cool completely.