Two whisky casks were given a royal seal as the Prince of Wales and Duchess of Cornwall visited a new distillery. Charles and Camilla, who are known as the Duke and Duchess of Rothesay in Scotland, were invited to fit the bungs to the casks on a tour of the Ballindalloch Distillery in Aberdeenshire. But they will have to wait around eight to 10 years to sample the single malt as the owners plan to allow it to mature. Two whisky casks were given a royal seal as the Prince of Wales and Duchess of Cornwall visited a new distillery . Charles and Camilla, who are known as the Duke and Duchess of Rothesay in Scotland, were invited to fit the bungs to the casks on a tour of the Ballindalloch Distillery in Aberdeenshire . The whisky from both casks will then be bottled to the benefit of the royal visitors' charities. The couple met construction workers involved in converting the old steading building and talked to staff who will run the distillery. They then formally opened the site, which began production in September last year, by unveiling a plaque. Described as Scotland's first single estate distillery, the owners harvest barley from their own farm, distil and mature the whisky on the estate and use the water which runs through the land. The Duke and Duchess, who were both dressed in tartan, often visit businesses in the area as it is close to the Queen's Balmoral estate . The couple met construction workers involved in converting the old steading building and talked to staff who will run the distillery . Guy Macpherson-Grant, whose family own the distillery, said: 'I think it's a tremendous honour that the Duke and Duchess of Rothesay made time in their busy diaries to come here. 'I think the Prince of Wales, who I spoke to, was tremendously impressed by the stonework, the carpentry, the tiling - the whole way the old has been made to work with the new. 'Those casks which they placed the bungs into will now be on the rack quietly maturing away.' Described as Scotland's first single estate distillery, the owners harvest barley from their own farm, distil and mature the whisky on the estate and use the water which runs through the land . Guy Macpherson-Grant, whose family own the distillery, said: 'I think the Prince of Wales was tremendously impressed by the stonework, the carpentry, the tiling - the whole way the old has been made to work with the new.' They then formally opened the site, which began production in September last year, by unveiling a plaque . Earlier, Charles and Camilla visited the nearby Walkers Shortbread factory in Aberlour where they were given a tour of a new meringue-making facility. Joseph Walker founded his shortbread company in 1898 in a village bakery, and his grandchildren and great-grandchildren now run seven factories in the area. The Duke and Duchess, who were both dressed in tartan, often visit businesses in the area as it is close to the Queen's Balmoral estate.
The couple were invited to fit bungs into two single malt whiksy casks .
They are known as the Duke and Duchess of Rothesay in Scotland .
Both wore tartan for the visit .
Will have to wait 8-10 years for a tipple while the whisky matures .