Preheat oven to 375 degrees. Peel and thinly slice apples. Cut bread into small dice size pcs. Coat small 8x8" baking dish with butter. Sprinkle 1/3 brown sugar, lay 1/3 apple slices, and 1/3 of breadcrumbs in dish. Repeat these layers 2 more times. Slice the butter and lay slices all over top of last layer. Sprinkle with water and more brown sugar. Cover with foil and bake about 45 min. Remove foil in last few min. to brown top.