Unroll dough and pinch seams together. Evenly sprinle dough w/ bacon bits and scallions
Roll up dough, jellyroll style. Cut into 1"-thick slices.
Heat oven to 375. Lightly spray a lg baking sheet w/ cooking spray. Place slices, cut-side down, onto baking sheet. Bake 9-11 mins, or until light brown. Sprinkle each roll w/ a little of the parmesan cheese.