Peel and dice the potatoes.

Place the diced potatoes in a large pot.

Cover the potatoes with water and bring to a boil.

Boil the potatoes until tender (approximately 15 minutes).

Drain the potatoes thoroughly.

Chop the pickles, onions, and hard-boiled eggs.

In a large bowl, combine the drained potatoes, chopped pickles, chopped onions, and chopped hard-boiled eggs.

Add mayonnaise to the potato mixture, mixing until the desired consistency is reached.

Mix in mustard.

Season with salt and pepper to taste.

Refrigerate for at least 30 minutes to allow flavors to meld.