2 c. (12 oz. pkg.) semi-sweet chocolate chips
1 (14 oz.) can sweetened condensed milk
1 tsp. vanilla
Dash of salt
1 c. peanut butter chips

Line 8-inch square pan with foil. In heavy saucepan, melt chocolate chips with condensed milk over low heat. Add vanilla and salt. Blend well. Remove from heat. Add peanut butter chips. Stir to distribute evenly. Spread evenly into pan. Refrigerate 2 hours or until firm. Remove from pan; peel off foil. Cut into squares. Store in refrigerator.