Brickyard Bistro Sandwich

Ingredients

• 1 loaf (1 pound) focaccia bread
• 2 tablespoons olive oil
• 1 tablespoon balsamic vinegar
• 2 teaspoons minced fresh oregano
• 1 teaspoon minced fresh rosemary
• 2 slices red onion, separated into rings
• 2 ounces sliced deli smoked turkey
• 2 ounces thinly sliced hard salami
• 2 ounces sliced deli roast beef
• 2 ounces sliced provolone cheese
• 1 plum tomato, sliced
• 2 lettuce leaves