Green Bean Salad w/ Peaches & Balsamic Vinaigrette
If you want the beautiful purple color of your beans to stay vibrant, eat them raw, or cook very quickly, as they will turn to green when cooked. This salad calls for them blanched, but I think they would be just as good raw:
https://brooklynsupper.com/green-bean-salad-with-peaches-and-balsamic-bitters-vinaigrette/