Scrub the potatoes thoroughly and cut into cubes. There's no need to peel them.
Add the eggs into a large kettle and add enough water to cover the eggs and potatoes that will be added later.
Bring the eggs to a boil.
Add the cubed potatoes to the boiling water and boil 8-10 minutes until fork-tender.
Drain and chill the potatoes. You can chill them by plunging them into ice cold water.
Peel and chop the eggs.
Add the eggs and onions to the potatoes.
Combine the dressing ingredients and whisk together.Add milk to thin the dressing and save calories.
Add the dressing to the potatoes, egg, and onion mixture and mix gently.