Ingredients: ¾ cup milk, ¼ cup butter, ¼ cup white sugar, 1 teaspoon salt, 4 ½ teaspoons active dry yeast, 1 teaspoon white sugar, ½ cup warm water (110 degrees F/45 degrees C), 3 ½ cups bread flour, divided, or as needed, 1 egg, lightly beaten, 1 tablespoon all-purpose flour, or more as needed, for dusting.