Roll dough into a 10”x 14” rectangle. Brush dough with melted butter to coat. Sprinkle with 1/4 cup sugar mixed with 1 tbsp. cinnamon; covering buttered area.
Roll like a jellyroll & cut into 1” pieces. Spray baking pan or cupcake tin with non-stick spray; put slices (pinwheel effect facing up) close to each other on baking dish or in each cupcake hole. Allow cinnamon buns to rise for 30 minutes. Bake 350°, 20 to 25 minutes. Brush with vanilla icing or fondant while still slightly warm