Heat oven to 375° F. Spray nonstick spray in 8-by-8-inch pan or similar. Unroll dough on floured surface and gently stretch until dough is about 8 by 12 inches. Sprinkle 2 tbsp. brown sugar over dough then evenly space six slices of ham and six slices of cheese on top. Starting on short side, begin rolling dough jelly roll style. Cut into six pieces. Repeat with second piece of dough. Place all 12 buns inside pan. Sprinkle grated cheese on top. Bake 20-25 minutes until buns are fully cooked and browned. Garnish with chives or green onions and serve.