1Preheat the oven to 350 degrees F (175 degrees C). Grease a 9x13 inch baking dish.
2Cut each apple into 8 wedges and set aside. Separate the crescent roll dough into triangles. Roll each apple wedge in crescent roll dough starting at the smallest end. Pinch to seal and place in the baking dish.
3Melt butter in a small saucepan and stir in the sugar and cinnamon. Pour over the apple dumplings. Pour Mountain Dew(TM) over the dumplings.
4Bake for 35 to 45 minutes in the preheated oven, or until golden brown.
Aluminum foil can be used to keep food moist, cook it evenly, and make clean-up easier.
2 large Granny Smith apples, peeled and cored
2 (10 ounce) cans refrigerated crescent roll dough