Preheat oven to 350 degrees F.Baking dish and place graham cracker sheets evenly in a single layer along the bottom of the pan.Add butter to a large saucepan over medium heat. Cook until melted. Add brown sugar and pecans and bring mixture to a boil.Boil for 5 minutes, stirring constantly. Pour mixture over graham crackers and spread into an even layer.Bake for 7-8 minutes or until the edges are bubbling. While the bars are baking, unwrap the chocolate bars and break them into pieces. Remove bars from oven and lay chocolate pieces into a single layer across the top. Cover with a lid or aluminum foil to allow the chocolate to melt.After 10 minutes, remove the lid and use a spatula to spread the melted chocolate evenly over the bars. Allow to cool completely, and then refrigerate for about 30 minutes before cutting into bars. Enjoy!
Get the full recipe here: