A survey of 100 Japanese udon-chain customers identified the seven most popular menu items for the summer season [1].
The findings highlight shifting consumer preferences in Japan's fast-casual dining sector. As temperatures rise, the demand for specific textures and flavor profiles, such as cooling elements and spicy combinations, influences how major chains develop their seasonal offerings.
The study, conducted by N-sta, looked at preferences across various nationwide restaurants, including popular chains such as Marugame Seimen and Hanamaru Udon [1]. The survey identified a total of seven top items [2].
Among the standout choices was the "oni-oroshi" topping, noted for its distinct crunchy texture [1]. This grated daikon radish preparation is a traditional summer staple that provides a refreshing contrast to the heavy nature of wheat noodles.
Another significant trend identified in the results is the rise of the "mentaiko-udon" combination [1]. This pairing of spicy pollock roe with noodles is emerging as a new standard for seasonal menus. While some reports suggest the cold mentaiko cream udon from Marugame Seimen was the top choice, the primary survey data focuses on the broader top-seven ranking [1].
These results reflect a broader trend in Japanese cuisine where traditional ingredients are reimagined through modern chain-restaurant formats. The combination of traditional cooling agents like oni-oroshi and bold flavors like mentaiko demonstrates a balance between heritage and innovation in the quick-service industry.
“The survey identified a total of seven top items.”
This data indicates that Japanese consumers are increasingly seeking a balance of textural contrast and bold, savory flavors during the summer months. The popularity of both traditional grated radish and modern cream-based pollock roe suggests that udon chains can successfully capture the market by blending nostalgic seasonal staples with contemporary culinary trends.


