POTATOESALAD WITH SPRING ONIONS

4 potatoes, cooked in shell
2 spring onions
2 tbsp mayonaise
2 tbsp yoghurt
Salt
Chilipepper
Green salad

Chop the potatoes and spring onions very fine.
Mix all ingredients and season with salt and chillipepper.
Add this mixture on top of a green salad made with cucumber, tomato, spring onion and lettuce