Beet Salad with Arugula and Balsamic Vinaigrette

medium (2 lbs beets)

baby arugula, rinsed and spun dry

or 1/2 cup feta cheese (diced or crumbled)

pecans (toasted)

dried cranberries

extra virgin olive oil

balsamic vinegar

dijon mustard (we love Grey Poupon brand)

garlic clove (pressed or finely minced)

salt

black pepper