01 -
Place ham and pineapple on one slice of sourdough bread. Top with shredded mozzarella cheese and a sprinkle of dried oregano. Add the second slice of bread and sprinkle the top with additional shredded cheese.
02 -
Heat salted butter in a nonstick skillet or cast-iron pan over medium-high heat until melted.
03 -
Place the sandwich in the skillet with the cheese-topped side facing up. Cook for 3-5 minutes or until the bottom bread turns golden brown.
04 -
Flip the sandwich carefully so the cheese-topped side is down. Cook for another 3-5 minutes until the outer cheese layer is crispy and golden, and the interior cheese is melted.
05 -
Transfer the sandwich to a plate and serve immediately.