INGREDIENTS
12 tbsp
unsalted butter, softened
1/2 cup
sugar
1/2 cup
light brown sugar, tightly packed
1
large egg
1/2 tsp
vanilla extract
1 1/4 cups
+ 2 Tablespoons all-purpose flour
1 cup
graham cracker crumbs
1/2 tsp
baking powder
1/2 tsp
salt
1 cup
marshmallow fluff
3
milk chocolate bars, broken into quarters
1/2 cup
milk chocolate chips