Brush a 9 inch square baking dish with 2tbs melted butter.

Whisk flour,2tbs sugar,baking powder,and salt together in a large bowl.work 3tbs softened butter into flour using your hands.Beat milk and egg together in another bowl ;pour into flour-butter mixture and stir with a rubber spatula until a soft dough forms.

Turn dough out onto a floured work surface and roll dough into a 1/4 inch thick rectangle.Brush surface of dough with 2tbs butter.

Whisk 1/2cup white sugar,brown sugar,and cinnamon together in a small bowl. Sprinkle 1/2 of the cinnamon sugar mixture in the bottom of the prepared baking dish. Sprinkle remaining cinnamon sugar over butter-brushed dough. Roll dough around filling to form a log.cut log into rolls and place rolls into baking dish.

Bake on the preheated oven until rolls are set 20 to 25 mins.