Two-potato Salad with Dijon Vinaigrette

Description
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Ingredients

 * Dijon Vinaigrette
 * 1/4 cup red wine vinegar or cider vinegar
 * 3 Tbs. olive oil
 * 1 small clove garlic, minced
 * 2 tsp. Dijon mustard
 * 1/4 tsp. minced fresh oregano
 * 1/4 tsp. salt
 * 1/4 tsp. freshly ground pepper
 * 10 long green beans
 * 12 oz. baby purple potatoes
 * 12 oz. baby white potatoes
 * 16 cherry tomatoes
 * 2 small stalks celery, thinly sliced
 * 1/3 cup very thinly sliced red onion
 * 1/4 cup chopped fresh parsley
 * 3 Tbs. finely chopped dill pickle

Directions
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