Glenarm Shorthorn Beef is exclusive to Fortnum & Mason. It is hand-selected from the Glenarm Estates Shorthorn herd and dry aged on the bone for a minimum of 28 Days in Europe's first Himalayan Salt Chamber. This dry ageing or 'Salt Ageing' process is totally unique to our producer and consists of a series of 3 Himalayan Salt Chambers containing a total of 26t of Himalayan Salt Bricks. What is Himalayan Salt Aged Beef? Some misunderstand the terminology of 'Salt Aged Beef' thinking that salt is