Throughout her impressive 70 year reign, Queen Elizabeth II stuck to a strict schedule every day - from carrying out official engagements to chairing meetings and attending to papers in her daily red box.
While that all sounds perfectly Queen-like, it is possible that one of her breakfast ingredients of choice was the key to this steadfast routine.
A former royal servant's memoirs reveal all about the food that the monarch loved to indulge in - as well as how she and Princess Margaret learned to cook it themselves.
One of the best stories was revealed by the Queen's former servant, Charles Oliver, in his book 'Dinner at Buckingham Palace' which is based on his diaries and personal recollections.
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