Mix cake mix and flour.
Add warm milk, melted butter, and egg. Mix well.
Knead until smooth, let rest 5 minutes.
Roll dough into a rectangle.
Spread butter, sprinkle cinnamon-sugar.
Roll tightly, cut into 12 pieces.
Place in greased pan, let rest 10 minutes.
Bake at 350°F for 18 minutes or until golden.
Cool slightly before frosting.
Mix cream cheese frosting, spread while warm.
Serve immediately.