Pre-heat oven to 325 degrees.
Line muffin tin with cupcake liners.
Combine cookie crumbs and melted butter. Divide in the muffin tin equally. Press down gently with a spoon.
In a stand mixer blend cream cheese and sugar until smooth and creamy.
Add the egg and peppermint extract; mix just until incorporated on low.
Spoon cream cheese mixture over the cookie crusts, dividing evenly.
Bake for 25-30 minutes, until set.
Remove from oven, let cool and remove from pan.
Chill for several hours or overnight, enjoy!