LINE 8- or 9-inch square pan with wax paper.
MELT chocolate chips with sweetened condensed milk and salt in heavy saucepan over low heat. Remove from heat; stir in peppermint extract. Spread evenly into prepared pan. Sprinkle with peppermint candy.
CHILL 2 hours or until firm. Remove from pan by lifting edges of wax paper; peel off paper. Cut into squares.