Ingredients

• 2 cups shredded lettuce
• 4 Italian sandwich rolls
• 4 ounces hard salami, thinly sliced
• 4 ounces Swiss cheese, thinly sliced
• 1/4 cup reduced-fat mayonnaise
• 1/2 small red onion, thinly sliced
• 2 tablespoons olive oil
• 1 teaspoon red wine vinegar
• 1 teaspoon dried oregano
• Salt and pepper