"Airy" layered salad

Ingredients for 4:

2 large red onions
2 green apples
3 hard-boiled eggs
2 tbsp grated cheese (on your choice)

Method:

Peel onions, slice into very thin rings. If onions are bitter, you can put in a colander and pour with boiling water. Peel and grate apples.
Peel and grate eggs.
Put in a serving plate (or bowl) layer of onions, grease with mayo, then put over this the next layer from grated apples, grease with mayo, then put over this the next layer from grated eggs, grease with mayo.

Continue while ingredients will end.
Pour grated cheese over salad.
Fresh and light salad is ready.