Nicoise Salad

INGREDIENTS

• 1/4 cup Hellmann's® or Best Foods® Real Mayonnaise
• 4 Tbsp. olive oil, divided
• 3 Tbsp. red wine vinegar
• 2 Tbsp. chopped fresh parsley
• 2 cloves garlic, finely chopped
• 1 (8 oz.) tuna steak, cut into 2-in. squares
• 6 cups torn romaine lettuce leaves
• 1 small red onion, thinly sliced
• 4 plum tomatoes, quartered
• 8 red bliss potatoes or new potatoes, cooked and quartered
• 8 ounces fresh green beans, trimmed, cooked and drained
• 4 hard-cooked eggs, peeled and halved
• 16 pitted ripe olives
• 6 canned anchovies, thinly sliced (optional)
• 8 fresh basil leaves (optional)