All-American Potato Salad

• 3 lbs potatoes, peeled and cut into 1-inch chunks (9 medium)
• 1/4 cup cider vinegar
• 2 tablespoons olive oil
• 1 tablespoon spicy brown mustard
• 1/2 teaspoon ground black pepper
• 1 1/2 teaspoons salt
• 3/4 cup mayonnaise
• 1/2 cup whole milk
• 2 medium celery ribs, chopped
• 1/2 small red onion, chopped

1. In 4-quart saucepan, place potatoes and enough water to cover; heat to boiling over high heat.
2. Reduce heat to low; cover and simmer 8 to 10 minutes or until potatoes are fork-tender.
3. Meanwhile, in large bowl, with wire whisk, mix vinegar, oil, mustard, pepper, and 1 teaspoon salt.
4. Drain potatoes. Add hot potatoes to bowl with vinaigrette; gently stir with rubber spatula to combine. Let stand until cool. In small bowl, with wire whisk, mix mayonnaise, milk, and remaining 1/2 teaspoon salt until smooth.
5. Add mayonnaise mixture, celery, and red onion to potatoes. Gently stir with rubber spatula to combine.
6. Cover and refrigerate 4 hours or overnight.

potatoes, cider vinegar, olive oil, brown mustard, ground black pepper, salt, mayonnaise, milk, celery, red onion

Taken from www.food.com/recipe/all-american-potato-salad-232452 (may not work)