Preheat oven to 375 degrees F (190 degrees C). Spray an 8x8 inch baking dish with non-stick cooking spray.
In a large bowl, combine the water and farfel. Add the sugar, apple, and cinnamon. Fold in the egg whites. Pour mixture into the prepared baking dish and dust the top with more cinnamon.
Bake at 375 degrees F (190 degrees C) for 45 minutes.