In small bowl, combine all relish ingredients; mix well. Cover; refrigerate while preparing fish.
In another small bowl or cup, combine 1 tablespoon lemon juice, salt and chili powder; mix well.
Spray broiler pan with nonstick cooking spray. Rinse salmon steaks; blot dry with paper towels. Cut each steak into 2 fillets, cutting around backbone and removing as much bone as possible. Place fish strips on sprayed pan. Brush with lemon-chili mixture.
Broil 3 to 4 inches from heat for 8 minutes or until fish flakes easily with fork, turning once. Serve relish with fish.