Preheat oven to 375°F. Line a baking sheet with parchment paper.
In a small bowl, combine sugar and ground cinnamon. Mix well.
Unroll the crescent roll dough and press any perforated seams together.
Sprinkle with cinnamon sugar and orange zest.
Starting with the short side of the rectangle and roll the dough into a log. Slice the dough into rounds, brush the tops with melted butter and bake until golden brown, about 10~12 minutes.
Serve right away!!