Peel, cut into 4 parts and boil the potatoes in salted water. Drain. Transfer to a bowl.
Finely chop the onion and leave a few pieces for the ribbons, cut the salmon into small squares.
Mash mashed potatoes and mix with cheese, milk, onions. Salt and pepper. Mix well.
Lubricate the plastic wrap with oil. Spread small portions of the potato mixture with a teaspoon in the middle of the film and tightly assemble the edges to make a potato ball .
Put a small piece of fish on the finished potato balls and tie it with the onion arrow.