On a lightly floured surface, roll one mound of your dough out into some sort of a rectangle. Spread half of the melted butter over the rolled-out dough.
Pro Tip: How to Freeze Cinnamon RollsAssemble them as normal, let them rise. Wrap tightly or place them in an airtight container with a lid and freeze. Just make sure you let them thaw and warm up to room temperature and rise a bit before baking.