In Britain, fruit cake has a longstanding status as a special dessert.

“We were always told the cake would be saved for the future,” baker Fiona Cairns toldHello!

magazine.She added, “After 30 months it’s even more delicious.”

Queen consort Camilla holding up a cake server and King Charles III smiling

Fruit cake laced with enough brandy lasts until the end of the world.

And will taste just as good/bad as originally."

Besides parties, fruit cake’s extraordinary longevity has provided another notable opportunity for royal dessert leftovers.

The Prince and Princess of Wales’s wedding cake

Each is estimated to sell for 400 to 600 (approximately $475 to $713).

Each slice is paper wrapped and comes with a royal card.

Baked by Fiona Cairns,William and Kate’s massive, 220-lb.

Old slice of cake in box from King Charles III and Princess Diana’s wedding

wedding cakewas meant for display only, perTown & Country.

In addition, 2,500 slices were also baked for gift tins (viaSophisticake).

However, this buy-it-now option is pricier than the upcoming auction at an eye-watering $1,517.53.

Encased in plastic wrap, the pricier piece included icing decoration featuring the royal coat of arms, perCNBC.

In May 2022, when Layton offered the slice at a charity auction, he suddenly changed his mind.

To satisfy his craving, he bought the cake back with a 2,100 bid.

“I don’t care if it kills me.

It’s 41 years old but I definitely am going to have a bite,” Layton bragged.