In a large bowl, combine 2 cups of powdered sugar, corn syrup, water, peppermint and shortening.
Mix at low speed just until mixture comes together.
Transfer 1/3 of the mixture to a separate bowl and add red food coloring. Mix until blended.
Dust work surface with powdered sugar and knead the white mixture until smooth.
Roll out between sheets of parchment or wax paper until 1/8-1/4" thick.
Knead red mixture on work surface until smooth.
Roll out between sheets of parchment or wax paper until 1/8" thick.
Place both rolled peppermints in the freezer for about 15 minutes.
Cut out as many white circles as possible and place on a parchment lined baking sheet.
Cut out as many red circles as possible and place on top of white circles.
Place cut out circles in the freezer for at least 40 minutes.
Melt dark chocolate chips by microwaving for 45 seconds, stirring and repeating until melted and smooth.
Place each patty on a fork and dip in chocolate. Gently tap against side of bowl to let excess drip off.
Place patty back on baking sheet and refrigerate for 10 minutes to let chocolate set up.
Place white chocolate in the corner of a zippered sandwich bag and microwave for 45 seconds.
Knead chocolate to make sure it is melted. If not, microwave another 15 seconds.
Clip the very tip of a corner, and pipe snowflake on mints