9. After a few minutes, remove from the heat and set aside to cool. Slice and serve.
Changes and Hints
Using mozzarella cheese instead of Swiss and a few slices of avocado for a creamy touch will provide a distinct taste profile. To make it hotter, before you stack the contents, sprinkle red pepper flakes over the mustard. Use rotisserie chicken that has already been cooked to save even more time.