The fondue, a Swiss classic, has recently made something of a comeback in homes across the UK. But what explains the resurgence of this 1970s retro chic dish in Britain? On the one hand, its resurgence is surprising, given that fondue doesn’t fit with either current trends toward healthy eating or the rise of more Instagrammable dishes. On the other hand, however, it does fit with the growing trend toward sharing plates. Intriguingly, it may also link to current concerns about global insecuri...