Whisk flour, baking soda, and salt together in a medium bowl.
Using an electric hand mixer, cream together butter and sugar in a large bowl until light and fluffy. Beat in egg and vanilla extract.
On low speed, beat in flour to just combine. Mix in chocolate chunks and crushed candy canes.
Let your cookie dough to chill for at least 1 hour up to overnight before baking.
Preheat oven to 350 degrees. Evenly spoon cookie dough but the heaping tablespoon onto two parchment-lined baking sheets, and bake until your cookies have lightly browned, 12-14 minutes.
Let those babies cool just enough so you can pick them up and devour them!