Preheat oven to 375 degrees
Add the apples to the baking dish.
Next, pour the cider or water over the fruit.
Add all of the dry ingredients to a separate bowl and whisk.
Then, add the egg to the dry ingredients and mix well.
Crumble the dough mixture over fruit.
Next, melt the butter and drizzle over the top of the dough mixture.
Bake in for 30 minutes or until the top is golden brown.
Top with Cool Whip or Vanilla Ice Cream and serve warm.