FIELD: food-processing industry. SUBSTANCE: method involves forming product by extruding it into packaging material while imparting it shape close to cylindrical; cutting product into blocks of predetermined length; feeding continuous flow of butter blocks into refrigerating unit for freezing treatment while maintaining predetermined temperature and air flow rate; providing group treatment of predetermined number of frozen butter blocks prior to feeding for storage. Aluminum foil or sleeve of polymeric material may be used as packaging material. EFFECT: improved keeping properties of butter and increased storage time. 3 cl
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