INGREDIENTS
1 cup
salted butter (softened)
1 cup
brown sugar
1/2 cup
granulated sugar
1
large egg
1 tsp
vanilla extract
1 1/2 cups
all-purpose flour
1 tsp
baking soda
1/2 tsp
baking powder
1/2 tsp
salt
1 tsp
ground cinnamon
1 tsp
ground nutmeg
2 1/2 cups
old-fashioned rolled oats (I used half quick and half old fashioned)
1/2 cup
salted butter (softened)
1 cup
powdered sugar
1
jar marshmallow creme
1 tsp
vanilla extract