Preheat oven to 200 degrees

Line a 10x15 jelly roll pan with parchment paper.

Butter the paper and set aside.

Combine marshmallows and butter in microwaveable bowl. Cover and heat on high for 30 seconds. Stir. Repeat until completely blended.

Stir in cereal and graham cracker crumbs.

Press mixture into prepared pan.

Spread marshmallow creme on top.

Place Hersey bars on top.

Put in oven until chocolate is soft. 2-6 minutes.

Spread softened chocolate.

Let cool for 10-12 minutes.

Roll up jelly roll style starting on long side.

Seal the seam.

Place seam side down and refrigerate for 30-45 minutes or until chocolate has set.

Slice and enjoy!