Crush cookies finely using a food processor or place in a zip-top bag and crush with rolling pin. You need exactly 1½ cups of fine crumbs—larger chunks make the crust crumble when slicing.

Melt butter in a microwave-safe bowl in 15-second intervals until completely liquid. Pour over cookie crumbs and mix thoroughly with a spatula until all crumbs are moistened evenly.

Press into pie plate by transferring mixture to a 9-inch pie dish and pressing firmly across bottom and up sides. Use the bottom of a glass to pack it tightly. Refrigerate for 30 minutes to set.

Beat cream cheese in a large bowl with an electric mixer on medium speed for 2-3 minutes until completely smooth. Scrape bowl sides frequently to ensure no lumps remain.

Add sugar and extract by mixing in sifted powdered sugar and beating until fluffy. Add peppermint extract and optional food coloring. Mix just until combined—don't overbeat at this stage.

Whip heavy cream in a separate cold bowl with clean beaters until stiff peaks form. This takes 3-5 minutes on medium-high speed. Stop when peaks stand straight up when beaters are lifted.

Fold together gently by adding one-third of whipped cream to cream cheese mixture and folding to lighten. Add remaining whipped cream and fold very gently with a spatula until no streaks remain.

Fill the crust by spooning peppermint mixture into chilled chocolate crust and spreading evenly. The filling should be light and airy—don't press it down or deflate the mixture.

Chill for minimum 4 hours or ideally overnight covered loosely with plastic wrap. Don't let plastic touch the filling surface. This chilling time is non-negotiable for proper setting and clean slices.

Garnish before serving by sprinkling crushed candy canes over the top just before cutting. Add optional whipped cream swirls and mint sprigs for extra festive presentation.