01 -
Mix the butter and sugar until light and fluffy (takes about 3-4 minutes). Stir in the mint flavoring.
02 -
Stir together the flour and cornstarch, then slowly add to the butter mixture as you beat it.
03 -
Once mixed, cover and set in the fridge for about 30 minutes so it can firm up.
04 -
Turn the oven on to 350°F and get it preheating.
05 -
Roll into small 1-inch balls, spacing them 2 inches apart. Bake for 9 to 11 minutes, just until the bottoms are lightly golden.
06 -
Move the cookies over to cooling racks and let them settle until they're fully cool.
07 -
Whip the butter, milk, and mint extract with some red food dye. Slowly mix in powdered sugar until smooth.
08 -
Spread frosting over the cooled cookies. Sprinkle the peppermint pieces on top.