Halibut Steaks With Tangy Mustard Sauce
["6 (4 oz.) halibut steaks (3/4-inch thick)", "1/3 c. unsweetened orange juice", "1/4 c. lemon juice", "1 tsp. dried whole basil", "1 tsp. dried whole tarragon", "1 tsp. curry powder", "1/8 tsp. ground red pepper", "vegetable cooking spray", "1 Tbsp. olive oil, divided", "3 Tbsp. Dijon mustard", "2 Tbsp. minced purple onion", "1 1/2 Tbsp. capers, drained", "1 Tbsp. minced fresh parsley"]
["Arrange halibut steaks in a large, shallow baking dish. Combine orange juice and next 5 ingredients in a small bowl, stirring well.", "Pour over steaks.", "Cover and marinate in refrigerator 1 hour, turning once."]
["orange juice", "lemon juice", "basil", "tarragon", "curry powder", "ground red pepper", "vegetable cooking spray", "olive oil", "mustard", "purple onion", "capers", "parsley"]