Away from the heat source, lightly coat the grill rack or broiler pan with cooking spray. Position the cooking rack 4 to 6 inches from the heat source. Grill or broil the mushrooms on medium heat, turning often, until tender, about 5 minutes on each side. Baste with marinade to keep from drying out. Using tongs, transfer the mushrooms to a serving platter. Garnish with basil and serve immediately. Nutritional analysis per serving. Serving size 1 mushroom Cholesterol 0 mg. Calories 6. 5Sodium 1. Total fat Trace. Total carbohydrate 1. Saturated fat Trace. Dietary fiber 2 g. Trans fat 0 g. Added sugars 0 g. Monounsaturated fat Trace.