INGREDIENTS
1 stick
unsalted butter
2 cups
brown sugar, preferably dark brown
1/2 cup
peanut butter
2
large eggs
1 tsp
vanilla extract
2 1/2 cups
all purpose flour
1 tsp
baking powder
1/4 tsp
baking soda
1/2 tsp
salt
2
XL-sized Hershey's milk chocolate bars
1 1/2 cups
jar) marshmallow crème
4
whole graham crackers