In a 9x9 square greased pan, put 2 payers of apples sliced ¼ inch thick.
To make the topping, combine the flour, sugar, egg, salt and baking powder. Spread this topping evenly on top of the apples. (this will be crumbly)
Sprinkle cinnamon over the topping.
Pour the cooled melted butter over the topping.
Bake at 350 ℉ or until crispy and brown on top.
Serve plain or with whip cream or ice cream.