A dramatic increase in the popularity of potato salads in izakaya (Japanese pubs) nationwide has led to a significant boost in profits. This ordinary side dish has turned into a surprise hits across the country, with industry insiders claiming its ease of preparation and high-profit margin as the primary drivers. The trend appears to span across demographics, indicating a broader cultural shift.

The izakaya forms a key part of socializing in the Japanese workplace and everyday life, serving as a common gathering place. Economically, the prominence of potato salad suggests that patrons value comfort food that pairs well with alcoholic beverages. On a cultural level, it illustrates the adaptability and fluidity of popular tastes in Japan's food scene.

In the US or EU, a similar trend may be seen with foods like buffalo wings or nachos in bars, which have a low cost, high-profit margin, and pair well with alcoholic drinks.