Slice apples into greased baking dish. To make topping: Combine ingredients, add to well beaten egg and mix untill crumbly. Spread over apples. Sprinkle with cinnamon and sugar mixture. Dot with butter and pour 1/4 cup water over top. Bake at 350F. for about 50 minutes or untill top is browned and apples are done. Serve with cream, or vanilla ice cream.