Butterfinger Popcorn Balls

6 cups popped popcorn
3 (2.1 oz.) Butterfinger candy bars, chopped
1/4 cup butter
3 1/2 cups miniature marshmallows

Combine popcorn and chopped Butterfinger in a large bowl. Melt butter in saucepan over low heat. Stir in marshmallows. Heat, stirring constantly, until marshmallows are melted and mixture is smooth. Pour over popcorn mixture; quickly toss to coat well. Spray hands with nonstick cooking spray. Form popcorn mixture into 3-inch balls. Place on waxed paper to cool. Store in airtight container. Makes about 6 popcorn balls. Enjoy!