Peel the onion and cut into thin half rings. Pour vinegar and water, knead a little with your hands. If you do not have wine vinegar, replace it with apple cider vinegar. Leave on for 15 minutes.
Disassemble the boiled beef into fibers.
Peel and grate the eggs.
Cheese also grate on a coarse grater.
Now we begin to lay out the salad in layers. Put the pickled onions on a plate, squeeze out the liquid a little. Lubricate with mayonnaise.
The second layer of beef, slightly salt and grease with mayonnaise.
Then put the grated eggs, salt again and grease with mayonnaise.
The final layer is grated cheese. Sprinkle with cheese and on the sides. Put in the refrigerator for soaking for several hours.
Salad with boiled beef turns out to be very juicy and satisfying, such a salad is perfect for any festive table, pickled onions perfectly refresh the salad and add a spicy touch.