1 (12 oz.) pkg. semi-sweet chocolate chips
1 (14 oz.) sweetened condensed milk
2 tsp. vanilla extract
1 c. white confectioners' deluxe baking pieces
1 tbsp. peppermint extract
1 drop green food coloring

In heavy saucepan, over low heat, melt chips with 1 cup sweetened condensed milk; add vanilla. Spread half the mixture into wax paper-lined 8-inch square pan; chill 10 minutes or until firm. Hold remaining chocolate mixture at room temperature.

In heavy saucepan, over low heat, melt white baking pieces with remaining sweetened condensed milk. Add peppermint extract and food coloring, if desired. Spread on chilled chocolate layer; chill 10 minutes longer or until firm. Spread reserved chocolate mixture on mint layer. Chill 2 hours or until firm.