Mix flour, milk, eggs, melted butter, vanilla sugar, brown sugar, and baking powder to create the batter
Prepare the cinnamon filling by combining cinnamon, melted butter, brown sugar, and flour
Pour batter into a baking pan and swirl in the cinnamon filling
Bake until golden brown
Prepare the frosting by mixing cream cheese, powdered sugar, and milk
Spread frosting over cooled cake
