Ingredients:
1½ pounds small Yukon Gold potatoesSea salt, to taste
Black pepper, to taste
2 tsp. grainy Dijon-style mustard
2 Tbsp. rice vinegar
2 Tbsp. canola oil
1 Tbsp. extra-virgin olive oil
1 bunch watercress
Directions:
In a 2-quart pot, combine potatoes with salt and cover with water. Cook potatoes for 45 minutes or until soft when pierced with a knife. Drain cooking water off the potatoes.Cool potatoes for 15 minutes and cut into bite-sized pieces.
In a large bowl, combine sea salt, mustard and vinegar with a wire whisk. Drizzle oils slowly into mixture, continuously whisking, then season with pepper.
Rinse watercress and dry in a salad spinner or with paper towels. Cut into ½-inch pieces (stems included).
Add potatoes and watercress to bowl with dressing, toss and adjust seasoning with pepper and salt.
(oprah.com)