Pre-heat oven to 350º
Spray a 9X13 pan with non-stick spray
Slice the cored and peeled apples into eight wedges
Open one of the cans of crescent rolls and carefully unroll it.
Separate the 8 triangles from each other.
Place one apple slice on the wide end of the triangle, then roll up like a crescent roll
(the package has an illustrationon the back if you are not sure what that should look like)
Tuck the ends around the apple slice to completely enclose it. Place in the baking pan and repeat with the seven remaining triangles from the first can, then repeat again with the second can of crescent rolls.
Place the butter in a large microwave safe measuring cup and microwace until melted, about one minute.
Stir in the sugar, vanilla and cinnamon, then spread evenly over the dumplings in the pan.
Pour the lemonlime soda around the edges of the pan
Bake at 350º for 35-40 minutes or until the crescenrt rolls are golden brown on top.