Preheat Your Oven'S Broiler. Line A Baking Sheet With Aluminum Foil. Combine Macadamia Nuts, Soy Sauce, Garlic, Hot Sauce, Brown Sugar, Olive Oil, And Black Pepper In A Food Processor; Blend Until The Mixture Is The Consistency Of Paste. Spoon A Thick Layer Of The Macadamia Mixture On Top Of Each Tilapia Fillet. Place The Fish Macadamia Mixture-Side Up On The Prepared Baking Sheet. Under The Broiler, Cook Fish Until The Macadamia Crust Is Golden Brown And The Tilapia Flakes Easily, About 15 Minutes.