Cut the Apple into small cubes and mix with a little mayonnaise. If the skin of the Apple is hard, it is better to cut it off.
Peel the potatoes, also cut into small cubes and mix with a small amount of mayonnaise.
Cut the herring fillet and celery into cubes, do not add mayonnaise.
Cut the eggs into cubes and mix with mayonnaise.
Lay out layers: potatoes, celery, apples, eggs.
Put the last layer of herring. Put the salad in the refrigerator for 1 hour.
