You can find a chicken Parmesan sandwich almost anywhere, but what takes an average chicken parm sub and turns it into something extraordinary? The fried chicken cutlet should be crispy and thin, the marinara sauce should be layered and flavorful, and the mozzarella cheese should be authentic and melted. The bread is also a key ingredient — whether the sandwich is served on a bun, focaccia, a baguette, or ciabatta, it should be fresh and well seasoned.

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https://www.mashed.com/1857114/best-chicken-parmesan-sandwich-each-state/