[1] The official website of the British royal family described the quiche as a "deep quiche with a crisp, light pastry case and delicate flavours of spinach, broad beans and fresh tarragon" and stated that it could be eaten either hot or cold.

[1] It was chosen for its versatility as it can be eaten either hot or cold, is easy and cost-effective to make and can be easily adapted to suit various dietary requirements.

The pastry is composed of flour, salt, butter, lard, and milk; the filling also includes milk, as well as double cream, eggs, tarragon, salt, pepper, cheddar, spinach, and broad or soya beans.

[8][9] Furthermore, broad beans are out of season in April (the month before Charles's coronation), and the pastry calls for lard (making it unsuitable for vegetarians, vegans, Jews, or Muslims), eggs were limited in 2023 due to bird flu, and buying ingredients could cost £14 during the 2020s cost of living crisis.

"[9] Laurent Miltgen-Delinchamp, member of the Brotherhood, said: "I think it would have anyway better reflected the British spirit if they had called it a tart.