Butter a 13 x 9 inch baking dish.
Preheat the oven at 350 F.
Peel and core apples, than cut each apple into 8 slices
Roll each apple slice in a crescent roll and place in a buttered dish.
Melt butter, stir in sugar, vanilla and cinnamon, and when it’s thickened, remove from heat and pour over the dumplings.
Pour the soda in the middle and along the edges of a pan(not over the rolls)
Bake for 35-45 minutes, or until they become golden brown.
Serve warm.