In a food processor, combine butter, peanut butter, sugar and graham crackers. Mix until it becomes a ball. Press this into your pan. We used our hands and spatula to do this.

In a small pot, melt chocolate chips by heating on LOW heat and stirring constantly until smooth and melted. Pour this over the cookie layer and spread.

Chill for 2-3 hours before serving.

Let the bars come to room temp before serving.