Preheat oven to 350.
Line two baking sheets with parchment paper.
In a small bowl combine flour, cocoa powder, baking soda and salt. Set aside.
In a standing mixer, beat together the butter and sugars until combined and fluffy.
Beat in the egg, and vanilla.
Gradually beat in the dry ingredients until combined.
Fold in 1/4 C mint chocolate chips, 1/2 white chocolate chips, 1/4 C Andes mint chips.
Using a medium ice cream scooper, scoop cookie dough into hands and roll into a ball.
Combine the remaining mint chocolate chips, white chocolate chips, Andes chips.
Roll cookie dough into the mixture and place onto the cookie sheet.
Lightly press down onto the cookies into a thick disk.
Repeat steps with remaining dough.
Bake in the oven 1 tray at a time for about 10-12 minutes or until lightly golden brown.
In a small sauce pan, heat up the heavy whipping cream until simmering.
Pour chocolate chips into a heat safe glass bowl.
Once the heavy whipping cream is simmering, pour into the chocolate chips and allow to sit for 1 minute before whisking until smooth.
Whisk in the Bailey's.
Using the flavor injector, place the needle into the bowl and pull the knob up on the injector to pull up some chocolate ganache.
Poke the side of the cookie and inject ganache into the cookie until the top cracks.
Repeat step on all cookies.
Enjoy!