Toss zucchini, tomatoes, artichoke hearts, olives and half the oil in a bowl. Spread in 7x11-in. (2-L) glass baking dish. Set aside.
Step 2
In bowl, stir remaining oil with lemon zest, juice, salt and pepper. Add fish and turn to coat. Place on top of vegetable mixture in baking dish. Place thyme sprigs on fish.
Step 3
Roast in preheated 425°F (220°C) 12 to 15 min., or until fish is cooked through and zucchini is tender-crisp.
Tip
Substitute fresh thyme with 1/4 tsp (1 mL) dried thyme.