Mix ginger root, sherry, soy sauce, water, and apple juice concentrate in a small bowl for sauce; set aside.
Spray a baking dish with no-stick cooking spray. Place fish in dish. Combine sauce, green onions, and snow peas; pour over fish. Cover and bake 20-25 minutes until fish turns from translucent to opaque.
Remove sauce from pan; set aside. Broil fish 3 to 4 minutes until crispy. Pour sauce over fish. Serve with rice.