An 114-year-old Edwardian study has revealed the best way to cut Christmas cake without it drying out – and it seems we've been cutting ours all wrong.

First outlined in 1906 by polymath, Sir Francis Galton, if you cut your slices across the middle, rather than as a wedge from the outside, it can keep the cake moist throughout the festive season.

It's incredibly simple, with the theory behind the trick being that you need to try to get little surface area out to the air so the cake can keep its moisture. By cutting from the inside, the cake keeps a near-circle shape, preventing it from going dry.

The study, which was published in the journal Nature, explains: "The ordinary method of cutting out a wedge is very faulty in this respect. The results to be aimed at are so to cut the cake that the remaining portions shall fit together."

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Elsewhere, Professor Budd from the University of Bath explained the best way to divide Christmas cake equally so that everyone gets their fair share. To accommodate unequal slicing, he explained that we should first divide the cake into two.

Then, once these two sections have been placed next to each other, cut more off from the larger piece. Simply repeat the process, until you have equal slices for all. No more fighting over who gets the bigger slice!

"All they have to do is keep repeating this process until only crumbs are left — bingo," Professor Budd told the Daily Mail.

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