INGREDIENTS
1/2 cup
unsalted butter, room temperature
3/4 cup
packed light brown sugar
1 tsp
vanilla extract
1
large egg, room temperature
1 cup
all-purpose flour (measured correctly)
1 cup
graham cracker crumbs (9 graham crackers)
1/2 tsp
baking powder
1/4 tsp
salt
1
heaping cup marshmallow creme (Fluff)
3/4 cup
semi-sweet chocolate chips
3/4 cup
mini marshmallows