Boil potatoes and beets, cool and peel.
Grate beets on a fine grater, mashed potatoes, mix together.
Peel herring and remove all the bones finely chopped, chop the onion in small cubes, mix with chopped dill.
Make a small loaf of beetroot and potato mass, place a teaspoon of herring filling in the middle, and form a strawberry-shaped ball.
Prepare the sauce from olive oil and lemon juice, pour a herring appetizer , garnish with greens and sesame seeds.