Her Majesty is such a big fan of the cakes she has even been known to take some with her on her travels.
Mr McGrady said: “The royal chefs send a whole cake up to Her Majesty every day for tea.
“She will sometimes take a slice and then it is never seen at the royal table again.
“The chocolate biscuit cake is the only cake that goes up to the royal table every day until it has all gone – sometimes this means it following her to Windsor Castle for the weekend.”
The Queen has afternoon tea served daily.
Her Majesty’s butler Grant Harrold shared in 2018 how the Queen prefers Assam and Earl Grey tea.
Speaking on the BBC Three comedy show Miss Holland, Mr Grant explained: “I am sure the Queen enjoys her Assam or her Earl Grey the traditional way, made with tea leaves in a teapot and poured into a fine bone china teacup.
“She will also use a strainer.
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He said: “Her Majesty’s Victorian upbringing dictates that the only thing you would pick up and eat with your fingers is afternoon tea.”