Method
Place potatoes in a steamer basket over boiling water. Cover saucepan and steam potatoes 8-10 minutes. Remove from steamer basket and rinse under cold water. Set aside.
Prepare grill or broiler. Create zucchini fan by laying zucchini on a cutting surface. Start just beneath stem end of zucchini and cut 1/4-inch slices lengthwise. Brush fish, steamed potatoes and vegetables with oil. Season to taste with salt and lemon pepper.
Place on grill. Grill fish 4-5 minutes. Turn and grill another 4-5 minutes or until fish is just cooked throughout. Turn vegetables occasionally until cooked throughout. Serve with lemon wedges.