Preheat your oven to 350 degrees. Lightly grease a 9 inch baking pan, Set aside.
Mix together your sugar and lemon zest. Smash together with the back of a spoon until moist and fragrant, Set aside.
Roll your dough into a large rectangle (about 1/4 inch thick). Spread on melted butter. Sprinkle with lemon sugar and blueberries*. Roll into a log starting at the long end. Pinch the sides together and slice into 6-10 pieces. Place in your sprayed pan and bake for 20 minutes or until lightly browned.
For the glaze mix juice and zest of 1/2 lemon & 3/4 cup powdered sugar.
Whisk together and drizzle over your rolls.