Preheat oven to 325F.
Grease a 9x9 brownie pan with cooking spray and set aside.
Combine 1-1/2 cups chocolate chips and butter in a large microwave safe bowl.
Microwave for 1 minute, remove and stir with a whisk until completely melted and combined. If necessary, microwave for 15 seconds more, or until completely melted.
Add sugars and mix with a spatula until combined.
Add eggs; continue to mix until thoroughly combined.
Stir in flour and continue to stir until well incorporated.
Fold in pecans, coconut and remaining chocolate chips.
Transfer mixture to previously prepared brownie pan.
Bake for 35 to 40 minutes.
Remove from oven and let cool completely.
Cut and Serve.