Preheat the oven to 350° F.

Grease an 8x8 square baking pan with a pastry brush and set aside.

In a large bowl, add the brownie mix, 10 tablespoons of melted butter, water, and 2 whole eggs.

Mix the brownie batter until fully combined.

Transfer the batter to the prepared pan. Bake for 40-45 minutes or until a toothpick inserted into the center of the brownies comes out clean.

Once the brownies have been removed from the oven, allow them to sit for 60 minutes or until completely cooled. Once cooled move on to making the frosting.

To a medium saucepan, add the coconut flakes and pecans. Sir constantly over medium heat for 3-5 minutes, or until the coconut flakes turn golden brown. Remove the coconut flakes and pecans from the pan, and set aside.

Add the sugars, 6 tablespoons butter, heavy cream, and egg yolks to the pan. Simmer over medium heat and constantly stir for 3-5 minutes, or until the frosting is thickened and smooth. Remove the saucepan from the heat.

Add the vanilla extract, coconut flakes, and pecans back to the frosting. Mix until combined.

Smooth the coconut frosting mixture on top of the brownies, and cut the brownies into squares to serve.