2 c. (12 oz. pkg.) Hershey's semi sweet chocolate chips
1 (14 oz.) can Eagle Brand sweetened condensed milk (not evaporated)
1 tsp. vanilla extract
Dash salt
1 c. Reeses peanut butter chips

Line 8" square pan with foil. In heavy saucepan over low heat, melt chocolate chips with sweetened condensed milk, vanilla and salt. Blend well. Remove from heat. Add peanut butter chips, stir just to distribute chips throughout mixture. Spread evenly into prepared pan. Refrigerate 2 hours or until firm, remove from pan, peel off foil and cut into squares.