Combine cinnamon, nutmeg, oats, flour and brown sugar in a bowl.
Melt butter and pour in mixture and mix together.
Then add apples to mixture and stir coating the apples well.
Pour into a oven safe single serving bowl
Bake at 350 degrees for 20-25 minutes or until topping is brown and fruit is tender.
Serve warm and top with ice cream if desired.