Place fish on a broiler rack that has been coated with cooking spray. Brush tops of fish with 3 tablespoons of the butter; dust with flour and sprinkle with paprika. Broil 5-6 in. from the heat for 5 minutes or until fish just begins to brown. Combine lemon juice, parsley, Worcestershire sauce and remaining butter; pour over the fish. Broil 5 minutes longer or until fish flakes easily with a fork.Yield: 4 servings.