Step 1

Preheat oven to 350 degrees F (175 degree C).

Step 2

Place the sliced apples in a 9x13 inch pan. Mix the white sugar, 1 tablespoon flour and ground cinnamon together. Sprinkle over apples. Pour water evenly over all.

Step 3

Combine the oats, 1 cup flour, brown sugar, baking powder, baking soda and melted butter together. Spread evenly over the apple mixture.

Step 4

Bake at 350 degrees F (175 degrees C) for about 45 minutes.