Heat oven to 350 degrees F. Grease two baking sheets.
Beat butter, sugar and egg together.
Combine flour and baking soda; add to butter mixture. Stir in peppermint extract.
Drop by teaspoonsful onto prepared baking sheets.
Bake for 8 to 10 minutes.
Remove from baking sheets and cool on wire racks.
Melt candy coating and chocolate chips in the top of a double boiler over simmering
water. Drop each cookie into chocolate to coat. Lift out with a fork, wiping excess
chocolate from the bottom of cookie.