Brush top of tree and breadsticks with melted butter, and sprinkle with Parmesan cheese. Bake separately, refrigerating second sheet while first is baking. For the breadsticks: Bake 10 to 12 minutes or until dough is golden brown and cooked all the way through. Cover loosely with foil to keep warm. For the tree: Bake 16 to 21 minutes, or until dough is golden brown and cooked all the way through.