How to prepare Grilled Tuna Salad with Garden Dressing ?

Preparation:    

     Preparation time: 15 mins

     Cooking time: 6 mins

     Serving: 4 

Ingredients:  

• 6 tablespoons reduced-fat mayonnaise
• 6 tablespoons reduced-fat sour cream
• 1 tablespoon white vinegar
• 1 tablespoon lemon juice
• 2 scallions, chopped
• 2 tablespoons chopped parsley
• 1 tablespoon snipped chives
• 1/4 teaspoon salt
• 1/8 teaspoon black pepper
• 2 tuna steaks, about 12 ounces each, cut vertically in half into 4 steaks
• 8 teaspoons lemon pepper seasoning

• 2 medium tomatoes, cut in half, seeds removed
• 12 cups mixed salad greens 

Instructions: 

1. Heat a gas grill to medium-high or the coals in a charcoal grill to medium-hot.
2. Combine mayonnaise, sour cream, vinegar, lemon juice, scallions, parsley, chives, 1/8 teaspoon of the salt and the pepper in a medium bowl.
3. Lightly coat grill rack with oil or nonstick cooking spray. Season tuna with remaining salt and 7 teaspoons of the lemon pepper. Grill about 3 minutes per side for medium. Meanwhile, season tomato halves with remaining 1 teaspoon lemon pepper and grill, cut-side down, about 5 minutes, until slightly charred.
4. Toss greens with 6 tablespoons of the dressing. Serve with tuna, tomato halves and remaining dressing.