Preheat the oven to 200 °C/ 400 °F. Place the sea bass skin side down into a baking dish lined with baking paper. Season with salt and brush the tops with ghee. Add a squeeze of lemon and place in the oven for 10 minutes.
4 tbsp pesto (60 g/ 2.1 oz) - you can make your own pesto Preheat the oven to 200 °C/ 400 °F. Place the sea bass skin side down into a baking dish lined with baking paper. Season with salt and brush the tops with ghee. Add a squeeze of lemon and place in the oven for 10 minutes.
Preheat the oven to 425 F. Oil a broiler pan and rack or baking pan with olive oil. Lightly sprinkle the sea bass fillets all over with Kosher salt, pepper, and Creole seasoning. Place the Chilean sea bass on the oiled broiler rack, skin-side down. Bake the fish fillets at 425 F for about 15 to 20 minutes depending on the thickness of the fillets.
Sprinkle kosher salt on both sides of the fish (4 6-ounce sea bass fillets, each about 1 ½ inches thick). Set aside for now. Make the spice mixture.