Chicken Milanese with Arugula, Tomatoes and Fresh Mozzarella

boneless (skinless chicken breasts)

kosher salt and pepper

all-purpose flour

large eggs (beaten)

Italian flavored panko crumbs

butter

olive oil

arugula

fresh mozzarella (cubed)

grape tomatoes (halved)

balsamic vinaigrette dressing (for drizzling)

salt and fresh ground pepper