Place white chocolate chips in a medium bowl. Microwave for 30 seconds and stir. Continue to microwave in 20 second intervals, stirring after each interval, until smooth. Working quickly, whisk in peppermint extract and food coloring. Add Oreos and stir to combine.
Pour mixture on baking sheet lined with wax paper. Add green chocolate candy to wet chocolate mixture. Place in freezer for 1-2 hours. When ready to serve, break into pieces and enjoy!