01 - Preheat oven to 350°F. Line two baking sheets with parchment paper.
02 - In a medium mixing bowl, whisk together all-purpose flour, baking soda, and salt until fully blended. Set aside.
03 - In a large bowl, beat softened butter, granulated sugar, and brown sugar until light and creamy using an electric mixer or whisk.
04 - Add eggs one at a time, beating well after each addition. Mix in vanilla extract and peppermint extract until incorporated.
05 - Gradually add the flour mixture to the wet ingredients. Stir gently until just combined, avoiding overmixing.
06 - Gently fold in semi-sweet chocolate chips and crushed peppermint candies until evenly distributed in the dough.
07 - Scoop tablespoon-sized portions of dough onto prepared baking sheets, spacing them approximately 2 inches apart.
08 - Sprinkle extra crushed peppermint over the tops of dough balls for decorative accent if desired.
09 - Place baking sheets in oven and bake for 9 to 11 minutes, until edges are lightly golden and centers remain soft.
10 - Allow cookies to cool on baking sheets for 5 minutes, then transfer to a wire rack to cool completely.