01 - Preheat the 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 bowl, beat softened butter, granulated sugar, and brown sugar until light and creamy using an electric mixer or sturdy whisk.
04 - Add eggs one at a time, mixing thoroughly after each addition. Blend in vanilla extract and peppermint extract.
05 - Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Avoid overmixing.
06 - Gently fold in semi-sweet chocolate chips and crushed peppermint candies.
07 - Scoop tablespoon-sized balls of dough onto the prepared baking sheets, spacing each about 2 inches apart.
08 - If desired, sprinkle extra crushed peppermint on top of the dough balls for decoration.
09 - Bake for 9 to 11 minutes, until the edges are lightly golden and the centers remain soft.
10 - Allow cookies to cool on the baking sheet for 5 minutes before transferring to a wire rack to cool completely.