1 pkg (12 oz) semi-sweet chocolate chips 1 cup chunk style peanut butter 3 cups mini marshmallows (1/2 of a 10-1/2 oz. bag) 1/4 cup chopped nuts 1) Microwave chocolate chips and peanut butter on high 2-3 minutes until melted, stirring after each minute. 2) Fold in marshmallows and chopped nuts. 3) Spoon into greased 9-inch square pan. 4) Chill until firm and cut into 1-1/2 inch squares.