In a large bowl, beat the butter and powdered sugar together with an electric mixer until creamy.
Beat in the peppermint extract, eggs yolks, and food coloring until combined.
Add in the flour, baking powder, and salt, mixing until combined.
Shape dough into 1 inch balls and place about 2 inches apart on a parchment lined cookie sheet.
Using the end of a wooden spoon, press a deep well into the center of each dough ball.
Bake in a preheated oven, 350 degrees, for about 8-10 minutes.
Remove tray from oven and reshape wells with wooden spoon.
Allow to cool on tray for about 2 minutes before placing on cooling rack.
Once on cooling rack, allow to cool completely (about 20 minutes).
In a small bowl, combine the dark chocolate chips, whipping cream, and butter.
Microwave in 30 second increments until smooth and creamy.
Scoop 1 teaspoon of chocolate and place in deep wells.
Continue until all cookies are completed.
Place a mint on top of each chocolate well and allow to set up completely.
Enjoy!!