Preheat oven to 300 and spray a 9×13 dish with cooking spray. Mix cake mix, melted butter and one egg to a soft dough. Press into the bottom of the pan. Spread chopped Goo Goo Clusters evenly over the dough. Mix powdered sugar, softened cream cheese and remaining two eggs until smooth, about 1-2 mins. Pour on top of Goo Goo Cluster pieces. Bake at 300 for 45-50 minutes until top is golden brown. Makes 16 to 20 bars.