INGREDIENTS
1/2 cup
butter (at room temperature)
1/2 cup
brown sugar
1
egg (at room temperature)
1 tsp
vanilla
1 1/4 cups
flour
1/2 tsp
baking soda
1/2 tsp
salt
Topping:
1 cup
mini marshmallows
2/3 cup
chocolate chips
2
rectangles of graham crackers