Preparation Whisk first 3 ingredients in small bowl. Season dressing with salt and pepper. Cook green beans in large pot of boiling salted water until crisp-tender, about 6 minutes. Drain. Refresh under cold running water. Drain well. Transfer to large bowl. Add arugula and half of eggs. Drizzle with dressing; toss to coat. Top with remaining eggs.
Preparation Whisk first 3 ingredients in small bowl. Season dressing with salt and pepper. Cook green beans in large pot of boiling salted water until crisp-tender, about 6 minutes. Drain. Refresh under cold running water. Drain well. Transfer to large bowl. Add arugula and half of eggs. Drizzle with dressing; toss to coat. Top with remaining eggs.