1. Heat oven to 350°F. Remove wrappers from chocolates; cut into small pieces. Lightly grease cookie sheet or line with parchment paper.
2. Beat margarine, sucralose, granulated sugar, egg and vanilla in large bowl until well blended. Stir together flour, cocoa, baking soda and salt; gradually add to margarine mixture, beating until well blended. Stir in chocolate pieces and nuts. Drop by teaspoonfuls onto prepared cookie sheet.
3. Bake 5 to 7 minutes or until cookie springs back when touched lightly with finger. Cool slightly; remove to wire rack. Cool completely. About 2 dozen dookies.
*Such as Splenda, an artificial sweetener