01 - Preheat oven to 350°F. Line two baking sheets with parchment paper.
02 - In a medium bowl, whisk together flour, baking soda, and salt. Set aside.
03 - In a large bowl, beat butter, granulated sugar, and brown sugar together until light and fluffy, about 2 to 3 minutes.
04 - Add eggs one at a time, beating well after each addition. Stir in vanilla and peppermint extracts.
05 - Gradually add the dry ingredients to the wet, mixing just until combined.
06 - Gently fold in chocolate chips and chopped peppermint bark pieces.
07 - Scoop heaping tablespoons of dough (about 2 tablespoons each) onto prepared baking sheets, spacing each 2 inches apart.
08 - If desired, sprinkle crushed peppermint candies over the tops of the dough mounds.
09 - Bake for 10 to 12 minutes until edges are lightly golden and centers are set.
10 - Allow cookies to cool on the baking sheets for 5 minutes before transferring them to a wire rack to cool completely.