Snickerdoodle Neiman Marcus Bars

1 box of white cake mix
4 eggs
1 stick melted butter
4 tablespoons cinnamon, divided
1 box of powdered sugar (about 4 cups)
8 oz package of cream cheese, softened

Preheat oven to 350 degrees. Grease one 13×9 inch pan.
In bowl, combine cake mix, 2 eggs, melted butter and 2 tablespoons cinnamon.
Spread in bottom of pan.
In a second bowl, beat with electric mixer, powdered sugar, 2 more eggs, cream cheese and remaining 2 tablespoons of cinnamon until smooth.
Spread on top of crust mixture.
Bake 35-40 minutes until edges are brown and center set (it will still be slightly wobbly in the middle).
Cool on counter 30 minutes, then refrigerate 2 hours up to 2 days.