First, chop the boiled potatoes. This will be the first main layer of the salad.
Put into a form to grease with mayonnaise and season with salt. You need to use a little mayonnaise, because the vegetables are juicy.
Next, three radishes and onions.
Put the second layer, lubricate with mayonnaise and a little salt.
Mix the egg with mayonnaise and apply the next layer.
Finish with grated carrots.
Decorate to taste and can be served.