Your suggestions were inspiring! Provolone, bacon, tomato, red onion, and avocado. Sautéed onions, swiss, and bacon. Brie, avocado, and green apple. Artichokes, cheese, and tomato chutney. While they all sounded scrumptious, in the end, I went with caramelized shallots, sun-dried tomatoes, and three types of cheese.
The resulting sandwich was amazing. It came together quickly and was incredibly satisfying. To check out the recipe, which is totally adaptable (use whatever ingredients you want/have on hand to make your own ultimate turkey melt!), keep reading.