INGREDIENTS
1
Egg, large
2 1/4 cups
Oats, old-fashioned
1/2 tsp
Baking powder
1/2 tsp
Baking soda
1 1/2 cups
Brown sugar
1 1/2 cups
Flour
2 cups
Powdered sugar
1/2
scant tsp Salt
3 tsp
Vanilla
3
butter (1 1/2 sticks)
1/2 cup
Butter
6 oz
Marshmallow cream