1Heat closed medium-size contact grill for 5 minutes. In small bowl, mix butter, basil and lemon peel; set aside.
2In large bowl, toss asparagus spears and bell pepper with 1 teaspoon of the oil and 1/4 teaspoon each of the pepper blend, lemon-pepper seasoning and garlic salt. Place vegetables crosswise on grill. Close grill. Grill 4 to 6 minutes or until vegetables are crisp-tender. Remove from grill; cover to keep warm.
3Cut salmon into 4 serving-size pieces. Brush salmon with remaining 1 teaspoon oil; sprinkle with remaining 1/4 teaspoon each of the seasonings. Place salmon, skin side down, on grill. Close grill. Grill 4 to 5 minutes or until salmon flakes easily with fork. Serve butter mixture with salmon and vegetables.