Skirt Steak with Haughty Green Beans

I had no idea.  Abby and I are staring at this picture of skirt steak with string beans with mouths agape, salivating over the chance to make this fine meal , when we notice that nowhere in the ingredients are those beans listed.  We double check, and then wonder what it was exactly that we were looking at.  All they they had was something called haricot verts.  "I'm not sure what that...