Steak Sandwiches with Tomato and Avocado | What's for Dinner?

Ingredients

• 1/2 cup plus 3 tablespoons Marzetti® Simply® Creamy Balsamic Vinaigrette, divided
• 2 pounds boneless rib-eye steak
• Vegetable oil for greasing grill
• 1/2 cup mayonnaise
• 1 teaspoon Worcestershire sauce
• 1 teaspoon Dijon mustard
• 2 small cloves garlic, smashed into a paste with the heel of a knife
• Salt and pepper
• 6 kaiser rolls, split
• 1 head romaine lettuce
• 2 large or 4 small beefsteak tomatoes (about 1 pound), sliced
• 2 large avocados, pitted and sliced
• 1 1/2 ounces Parmesan, thick shavings (12 shavings)
• 1/2 teaspoon salt
• 1/2 teaspoon pepper