Green Beans with Basil Garlic Vinaigrette

DH's aunt gave us this recipe several years ago. She served it slightly chilled for an evening picnic on the lawn (we were treated to a ballet - I have wonderful memories of leisurely picnics before the ballet or the opera, before the kids were born and before life made DH and I start graying so young...but I digress). These green beans are yummy! Cook them until they are just crisp-tender and