2hr 25min · 8 servings For the Dough: 1 cup warm whole milk 110F (240mL) 1 0.25-ounce packet instant yeast 5 tablespoons unsalted butter melted ¼ cup granulated sugar (50g) 1 large egg room temperature 3¾ cups all-purpose flour (450g) 1 teaspoon salt For the FIlling: ½ cup granulated sugar 100g 1 tablespoon cinnamon 3 tablespoons unsalted butter melted For the Topping: 1 large egg 1 teaspoon water Confectioners’ sugar