To make the marinade: In a bowl, mix the onion powder, garlic powder, dried herbs, salt, cumin, lemon juice, and olive oil until well combined.
Rub the marinade all over the fish, both inside and out. Then, place it in the refrigerator for about 3 hours.
Preheat your oven to 180°C (350°F).
Place the fish in a baking tray and put it in the oven until it is fully cooked.
Take the baked fish out of the oven and serve it hot.
Enjoy your meal