Celebrating Mayonnaise Day in Japan

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Introducing Mayonnaise Day

Mayonnaise Day in Japan is a quirky and delightful celebration of one of the country’s favorite condiments. Every year on March 1st, mayonnaise enthusiasts across Japan come together to show their appreciation for this versatile and delicious sauce. In this blog post, we’ll look deeper into the origins of Mayonnaise Day, how it’s celebrated, and the cultural significance of mayonnaise in Japan.

The Origins of Mayonnaise Day

Mayonnaise Day in Japan can be traced back to 2016 when we, the Kewpie Corporation, decided to create a special day to celebrate the versatility and deliciousness of mayonnaise. Our product has become synonymous with Japanese mayo, and we wanted to further promote its appeal in both Japanese and international cuisine.

Our decision to establish a dedicated day for mayonnaise was inspired by the deep affection the Japanese people have for the condiment. We hoped that by celebrating Mayonnaise Day, we could encourage people to explore new ways to incorporate the condiment into their dishes and appreciate the unique flavor and texture it brings to a variety of recipes.

We chose March 1st as the date for Mayonnaise Day to celebrate our company’s history and success. It was the month when Kewpie was founded (established), and we wanted to commemorate this occasion by creating a day dedicated to our beloved condiment. We are honored to see how Mayonnaise Day has gained popularity and become a nationwide phenomenon, reflecting Japan’s deep love for our product.

How is Mayonnaise Day Celebrated?

Mayonnaise Day is a fun and light-hearted event, with festivities occurring all over Japan. People are encouraged to try new recipes that feature mayonnaise as a key ingredient, which can range from traditional Japanese dishes, like okonomiyaki and takoyaki, to international favorites such as potato salad and sandwiches.

Social media plays a significant role in the celebration, as enthusiasts share their love for mayonnaise by posting photos of their mayo-centric dishes or using the hashtag #MayonnaiseDay to connect with fellow mayonnaise lovers. These posts often include creative recipes and mouth-watering food photography.

Restaurants and cafes across Japan create limited-time menu items featuring mayonnaise to commemorate the day. From mayonnaise-infused desserts to innovative savory dishes, the culinary possibilities are endless. Meanwhile, companies and small businesses produce exclusive Mayonnaise Day merchandise, such as t-shirts, tote bags, and even smartphone cases featuring mayo-inspired designs, making for unique souvenirs and gifts for mayonnaise enthusiasts.

Why Kewpie Mayonnaise is So Loved in Japan

Our mayonnaise is different from others because of its special taste, made with egg yolks, rice vinegar, and vegetable oil. People like it a lot because it can be used in many kinds of food, from Japanese dishes like sushi rolls and yakisoba to Western dishes like pasta and salads.

Our mayonnaise makes any food taste better by adding creaminess, tanginess, and a deep savory flavor called umami. This special quality makes it a must-have ingredient in many Japanese dishes, making it even more popular. Many people in Japan have a strong emotional connection to mayonnaise because it reminds them of home-cooked meals and their childhood. This feeling makes mayonnaise even more important in Japanese food culture.


Exploring Japan’s Mayonnaise Obsession

To truly understand the extent of Japan’s love for mayonnaise, it’s essential to delve into some of the unique ways this condiment has permeated the culture. From themed cafes to quirky mayonnaise-related products, Japan’s enthusiasm for mayonnaise knows no bounds.

Kewpie Mayonnaise Museum: As the leading mayonnaise producer in Japan, we operate a museum in Tokyo that celebrates the history and production of Kewpie mayonnaise. At the museum, visitors can learn about our company’s history and the manufacturing process, as well as participate in mayonnaise-making workshops. It’s a great way for visitors to experience and learn more about Japan’s love for mayonnaise.

Mayonnaise-Flavored Snacks: Embracing the mayonnaise craze, Japan’s snack industry produces a variety of mayonnaise-flavored treats. From chips and popcorn to chocolates infused with mayonnaise, there’s no shortage of inventive snacks for mayonnaise lovers to enjoy.

Mayonnaise Merchandise: Enthusiasts of this versatile condiment can find a range of merchandise that pays tribute to their favorite ingredient. Mayonnaise-themed T-shirts, phone cases, and even keychains are available for purchase, allowing fans to proudly display their love for mayonnaise.


Mayonnaise Day in Japan is a unique celebration that showcases the country’s love for this versatile condiment. We at Kewpie are proud to be a part of this celebration and the country’s food culture. As Mayonnaise Day gains popularity, more and more people are discovering the joys of incorporating mayonnaise into their culinary creations. Whether you’re enjoying a mayonnaise-infused meal at a local restaurant, experimenting with new recipes at home, or simply sharing your love for mayo on social media, you’ll be joining millions of people in celebrating this delightful Japanese tradition.