Preheat oven to 350 degrees.
Spray a 9x13 cake pan with cooking spray.
Cream the butter, cream cheese and sugar together, incorporating well.
One at a time, beat in the 6 eggs and then add the coconut extract and cream of coconut.
Finally add your flour.
Pour batter into prepared pan. Batter will be thick
Bake 35 to 40 minutes.
This cake might fall slightly after you take it out to cool. Not to worry! Remember this is a dense cake.