Begin by concocting your marinade sauce. Combine the soy sauce, maple syrup, and garlic powder. Put the coley in a bowl and leave it for at least half an hour, preferably overnight.
Sauté the courgette, fennel, broccoli, spring onion and garlic in a frying pan, stir for a couple of minutes.
When the courgette begins to soften, then sesame oil including the marinade sauce. Stir for a minute, then, set aside.
Fry the marinated fish fillets in a frying pan for 3 to 4 minutes on each side.
Finally, plate the vegetables with the coley fillet on top and glaze the fillet with the sauce.
Serving Suggestions: Serve with steamed rice or boiled potatoes and lime wedges.