Preheat oven to 350°. Grease an 8x8 square baking dish. Peel and core apples. Cut each apple into fourths. Unroll and separate crescent roll dough. Wrap each apple section in a crescent roll. Place in pan, sprinkle with cinnamon.
Combine butter, sugar and orange juice in a medium pan. Bring to a boil. Remove from heat and stir in vanilla. Pour over dumplings. Sprinkle pecans or walnuts on top. Bake 30 minutes or until crust is golden and beginning to bubble and apples are tender when pierced with fork.
To serve, spoon some of the syrup from the baking dish over dumplings. Serve with ice cream if desired. Serves 8.
Nutritional facts, per serving: 360 calories, 23 g. fat, 3 g. protein, 40 g. carbs., 2 g. fiber, 300 mg. sodium.