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 bowl, beat softened butter, granulated sugar, and brown sugar until light and creamy.
04 - Add eggs one at a time to the creamed mixture, beating well after each addition. Mix in vanilla extract and peppermint extract.
05 - Gradually add the dry ingredients to the wet mixture, mixing only until just combined.
06 - Fold in semi-sweet chocolate chips and crushed peppermint candies.
07 - Scoop tablespoon-sized portions of dough onto the prepared baking sheets, spacing each about 2 inches apart.
08 - If desired, sprinkle additional crushed peppermint over each dough portion before baking.
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, then transfer to a wire rack to cool completely.