Serious Potato Salad

• 4 pounds potatoes
• 2 tablespoons sugar
• 2 tablespoons kosher salt
• 7 tablespoons rice wine vinegar, divided
• 1 1/4 cups mayonnaise
• 1 cup diced red onion
• 3/4 cup diced celery
• 6 scallions, sliced thinly
• 3 tablespoons whole grain mustard
• To Taste: salt and pepper

1. Peel and cut potatoes in 3/4 inch cubes.
2. Place in large pot with 2 quarts cold water, 2 tbsp sugar, 2 tbsp salt and 2 tbsp rice vinegar. Bring to a boil over high heat, then simmer until just tender, approximately 12 minutes.
3. Drain and spread out on rimmed baking sheet in single layer. Sprinkle with 3 tbsp of rice vinegar. Let cool on counter for 30 minutes.
4. In a large bowl place 2 tbsp rice wine vinegar, mayonnaise, mustard, red onion, celery and scallions. Mix thoroughly.
5. Add potatoes. Coat with sauce, season to taste with salt and pepper. Refrigerate for at least 2 hours.

potatoes, sugar, kosher salt, rice wine vinegar, mayonnaise, red onion, celery, scallions, whole grain mustard, salt

Taken from food52.com/recipes/77293-serious-potato-salad (may not work)