Chocolate Chip Toffee Bars

Don't these look amazing!  I can't wait to try them!

1 stick {4 oz} butter, softened
½ cup {4 oz} cream cheese, softened
1/2 cup sugar
1 1/2 cup brown sugar, packed
2 eggs
2 tsp vanilla
3 1/2 cup flour {1 lb.}
1 1/2 tsp soda
1 tsp salt
1 teaspoon cocoa powder
12 oz chocolate, chopped or 1 bag chocolate chips
.
Spray a 10” square cake pan with pan spray.
Line the bottom with parchment then spray again.
Pre-heat the oven to 350*F
Cream the butter, cream cheese, and the sugars until very light and fluffy, about 5-7 minutes on medium high.
Scrape down the side of the bowl.
Continue mixing while adding the eggs one at time.
{Make sure each egg is incorporated before adding the next.}
Add the vanilla.
Scrape down the bowl.
Combine the flour, soda, cocoa powder, and salt in another bowl.
Whisk to combine.
With the machine on low, slowly add the flour mixture.
Mix until just combined, taking care not to over mix.
When the flour mixture is just about combined add the chocolate.
Turn off the machine and finish mixing by hand to prevent over-mixing.
.
Bake at 350* for 35-40 minutes, until the center is just set and the edges are deep golden.
Let cool in the pan.