Directions: one line for each direction. When saved the lines will be numbered.
Mix broth, mustard, lemon juice and pepper. Pour 1 cup broth mixture into large shallow nonmetallic dish. Add fish and turn to coat. Cover and refrigerate 1 hour, turning fish occasionally.
In small saucepan mix cornstarch and remaining broth mixture until smooth. Set aside.
Remove fish from marinade and place on lightly oiled grill rack over medium-hot coals. Broil or grill uncovered 10 minutes or until fish flakes easily when tested with a fork, turning once and brushing often with marinade. Discard marinade.
Over medium heat, heat cornstarch mixture until mixture boils and thickens, stirring constantly. Serve with fish.
Variation: Oven: After removing fish from marinade, place on rack in broiler pan. Broil 4 inches from heat 10 minutes or until fish flakes easily when tested with a fork, turning once and brushing often with marinade. Discard marinade.