Easy Cheesecake Fudge Brownies !!!! ( video + recipe )

Here's the recipe: 

• Prepare fudge browny mix per instructions on box. 
• Beat 8oz of cream cheese until smooth. Add 1/4 cup sugar and mix again until smooth. Add an egg and 1/2 tsp vanilla extract and beat until well incorporated.
• Spread the browny mix in a 9x9 pan. Dollup the cream cheese topping evenly, and swirl with the back of a spoon. Don’t over swirl.
• Bake at 375F for 35-40 minutes, until cheesecake topping is beginning to turn golden.