Moist chicken breasts are sandwiched between thick - cut ciabatta bread with herby pesto, cheesy mozzarella, and tangy roasted red bell peppers, then pressed until crispy, and crunchy. (layersofhappiness.com)
Other add in's that I enjoy are fresh herbs to give it little pops of herby flavor, cheeses, beans, seeds and most especially, dried fruit to give it a little sweetness. (aggieskitchen.com)
The thyme adds another layer of herby flavor — feel free to omit, but I think you'd like it. (ourfourforks.com)