3 1/2 c. sugar
1 c. light corn syrup
1 c. water
1/4 to 1/2 tsp. peppermint oil
1 tsp. red or green food coloring

In a large heavy saucepan, combine sugar, corn syrup and water. Cook on medium heat until candy thermometer reads 300° (hard-crack stage), stirring occasionally. Remove from heat. Stir in oil and food coloring. Pour onto a greased cookie sheet. Cool. Break into pieces.

Peppermint oil is available in cake decorating and candy supply stores.