Preheat oven to 350f degrees, Spray a 9×13 baking dish with nonstick cooking spray.
Prepare cake mix according to package directions. Pour prepared batter into prepared baking dish.
After baking, allow the cake to cool. Then using the end of a wooden spoon, poke holes (in about 1-inch intervals) into the cooled cake.
For the filling:
In a small bowl, whisk together sweetened condensed milk, melted butter, brown sugar and cinnamon.
Pour the filling mixture into the holes and spread it out using the back of a spoon or a butter knife.
For the frosting:
In a medium bowl, mix together softened cream cheese and softened butter with an electric mixer.
Then slowly mix in powdered sugar, vanilla extract and milk (or heavy cream.) Mix until smooth.
Spread frosting onto cake.
Sprinkle some cinnamon sugar on top of the frosting. Then put cake into the fridge for about an hour to allow the cake’s filling to set up. Then serve!
Video
Notes
Please refer to my FAQ’s and ingredient list above for other substitutions or for the answers to the most common questions.