Prepare potatoes. Peel potatoes, dice into small pieces. Boil for about 20-25 minutes until well cooked. Drain and let cool.
Boil eggs. Bring a pot of water to boil. Add eggs and boil for 15 minutes. When done, put in fridge to cool. When cool, peel and dice.
In a big bowl, mix mayo, mustard, sugar, pickle juice, pickles, onions.
Add potatoes and eggs and mix well.
If too dry for your taste, add more mayo or mustard.