→ Dough
 01 -  180 g whole milk, at room temperature 
 02 -  30 g unsalted butter, melted 
 03 -  1 large egg, at room temperature 
 04 -  375 g all-purpose flour 
 05 -  5 g instant yeast 
 06 -  40 g granulated sugar 
 07 -  3 g salt 
 08 -  Vegetable oil, for greasing 
→ Lemon Sugar Filling
 09 -  60 g unsalted butter, softened 
 10 -  100 g granulated sugar 
 11 -  3 tablespoons lemon zest, divided (from about 3 lemons) 
 12 -  1 teaspoon vanilla extract 
→ Cream Cheese Icing
 13 -  113 g cream cheese, softened 
 14 -  60 g confectioners' sugar 
 15 -  1 tablespoon lemon juice 
 16 -  1 tablespoon lemon zest, optional for garnish