FIELD: food industry.
SUBSTANCE: invention is related to food industry. Preserved food is cooked by cutting and blanching of potatoes, celery root and onions, blanching and cutting of carrots, cutting and freezing of parsley, cutting of fish fillet, freezing of fresh green peas, cheese grating, mixing and placing onions and cheese on fish fillet and rolling to prepare rolls, mixing of potatoes, celery root, carrots, parsley, green peas, hen's eggs, melted butter, table salt and black bitter pepper without oxygen access, packing of rolls, prepared mixture and milk, sealing and sterilisation.
EFFECT: preparation of preserved food with high assimilability.
