Created by Fizzybrat on September 29, 2017
Step 1: Place marshmallows and nuts if desired in a large bowl; set aside.
Step 2: In a heavy saucepan, melt chocolate chips and butter over medium-low heat. Pour over marshmallow mixture and mix well.
Step 3: Cover and refrigerate for 1 hour, stirring occasionally.
Step 4: Shape marshmallow mixture into a 12-in. roll; wrap in waxed paper.
Step 5: Refrigerate for 4 hours or until firm.
Step 6: Unwrap and cut into 3/8-in. slices; cut slices in half.