Apple Crisp

10 granny smith apples, peeled & thinly sliced
1/2 c sugar
1/4 t salt
1 t cinnamon
1 c cold butter
1 c brown sugar
1 c flour
1 c oatmeal
1/4 t baking powder

Place apples in 9 by 13 inch baking pan, lightly coated with cooking spray. In a small bowl, combine sugar, salt and cinnamon. Sprinkle over apples. Place butter, brown sugar, flour, oatmeal, and baking powder in a large bowl. Cut together with a pastry cutter. Sprinkle over apples. Bake in a 350 degree oven for 40-45 minutes until topping is golden brown.
Serve with vanilla ice cream.We use a tool that looks like a medieval torture device that peels and slices and cores the apples in a snap.