One-Skillet Honey Dijon Chicken with Potatoes and Green Beans

olive oil, as needed

kosher salt and freshly ground black pepper, as needed

to 1.25 pounds boneless skinless chicken breast tenders

about 1 pound baby red potatoes, diced into 1/2-inch pieces (other varieties of potatoes may be substituted)

about 12-ounces haricots vert (trimmed green beans may be substituted)

Dijon mustard

honey

golden balsamic vinegar (white balsamic or champagne vinegar may be substituted)

olive oil

Kosher salt

freshly ground black pepper