Dice and cook potatoes until cooked through. Allow the potatoes to cool completely.
2
Dice spring onions, red onions and green apples into small pieces.
3
Mix together the cooled potatoes and the chopped vegetables with sour cream and mayonnaise. Season with salt and pepper. Feel free to leave the potato salad in the fridge for a little hour before serving, so that all the flavors have time to settle.