Grate the cheese on a coarse grater, cut the onion into very small cubes.
Peel the apple and grate it on a coarse grater, eggs on a fine one.
Boil chicken hearts in salted water, cool and cut into small cubes. To collect lettuce in layers:
1) Apple + grease with mayonnaise
2) onion
3) hearts + grease with mayonnaise
4) cheese + grease with mayonnaise
5) eggs
