Place the peeled and sliced apples in a medium-size bowl.
Sprinkle the sugar, flour, salt and cinnamon over the apples and mix.
Spray an 8x8 pan with cooking spray.
Pour the apple filling into the prepared pan.
Using the same bowl that you mixed the apples in, combine the oatmeal, brown sugar, flour, soda and baking powder.
Using a pastry blender, cut in the butter until the mixture is crumbly.
Sprinkle the oatmeal streusel on top of the apple mixture and pat it down firmly.
Bake at 350 degrees for 35 minutes or until it is golden brown.
Serve with milk or ice cream.
The calories shown are based on the recipe serving 9, with 1 serving being 1/9 of the crisp. Since different brands of ingredients have different nutritional information, the calories shown are just an estimate. **We are not dietitians and recommend you seek a nutritionist for exact nutritional information.**