Prepare dressing: In small bowl combine cider vinegar, Dijon mustard and sugar. Gradually add olive oil until well blended. Season with salt and pepper.
Prepare Salad: In large bowl combine beets and white kidney beans; toss with dressing.
To serve, place arugula leaves on platter or in serving bowl; top with beet mixture. Sprinkle with crumbled blue cheese and walnuts.
Source: ChooseMyPlate.gov recipe/Beet and White Bean Salad