Pan-seared Chicken Cordon Bleu Sandwich – Lodge Cast Iron

Ingredients

• 1 boneless, skinless chicken breast, cut in half lengthwise
• ¼ teaspoon salt
• ¼ teaspoon pepper
• 1 tablespoon olive oil
• 2 slices thick-cut ham
• 2 slices Swiss cheese
• 1 tablespoon water
• 2 tablespoons mayonnaise
• 2 tablespoons dijon mustard
• 2 large onion rolls, cut in half
• 2 leaves romaine lettuce
• 1 small tomato, sliced
• 1 piece of aluminum foil (or lid for 10.25 Inch Skillet)