Wash the potatoes and cook in boiling water for about 20 minutes. Drain potatoes, rinse and peel. Heat 2 tablespoons of oil in a pan. Brown the meat all around and continue to fry over a low heat for about 12 minutes. Wash the salad mix and spin dry.
Pour bean seeds into a sieve, rinse and drain. Cut 4 potatoes into cubes. Heat 1 tablespoon of oil in a pan. Fry the potato cubes in it while turning them golden brown, season with salt and pepper. Grate 1 potato or press it through a potato press. Stir vinegar and 2-3 tablespoons of water into the potato, season with salt, pepper and sugar. Fold in 3 tablespoons of oil. Take the meat out, let it cool down a little and cut it into slices. Mix potato cubes, beans and salad. Put them on a plate.
Fold in 3 tablespoons of oil. Take the meat out, let it cool down a little and cut it into slices. Mix potato cubes, beans and salad. Put them on a plate. Arrange the meat on top. Pour some vinaigrette over it. Pour some vinaigrette over it.