01 -
Beat butter and confectioners' sugar until fluffy, then mix in peppermint extract.
02 -
Whisk flour, cornstarch, and salt, then gradually mix into butter mixture.
03 -
Cover dough and refrigerate for at least 30 minutes.
04 -
Heat oven to 350°F.
05 -
Roll dough into 1-inch balls and place 2 inches apart on baking sheets.
06 -
Bake for 9-11 minutes until bottoms are lightly browned.
07 -
Beat butter, gradually add sugar, milk, peppermint extract, and optional food coloring.
08 -
Frost cooled cookies and sprinkle with crushed peppermint candies.