KEWPIE MAYONNAISE brings Japan's Iconic Tamago Sando to Covent Garden for One Weekend Only

    Event: KEWPIE IT. London Brand Experience Location: Covent Garden Piazza, London. FREE ENTRY Dates: 19 September 11am - 8pm & 20 September 11am - 6pm

    Guest Post

    11 September 2026 · 2 min read

    cas

    Event: KEWPIE IT. London Brand Experience

    Location: Covent Garden Piazza, London. FREE ENTRY

    Dates: 19 September 11am - 8pm & 20 September 11am - 6pm

    Londoners will have the chance to experience one of Japan‘s most iconic comfort foods when KEWPIE MAYONNAISE brings its immersive KEWPIE IT. pop-up to Covent Garden for one weekend only.

    Inspired by the Japanese konbini convenience stores, the free pop-up celebrates the famous Tamago Sando, AKA Japan's much-loved Egg Sandwich, and the ingredient that gives it its unmistakably rich, creamy flavour: KEWPIE MAYONNAISE.

    Visitors to the Covent Garden pop-up on 19–20 September will have the opportunity to explore a joyfully designed KEWPIE KONBINI, a Japanese convenience store-inspired experience, worthy of photo ops and taste the KEWPIE MAYONNAISE Tamago Sando. Guests attending will also be able to pick up a limited edition KEWPIE IT. Mayozine, have a chance to win free products and pick up merchandise.

    Made predominantly with egg yolks and Kewpie's proprietary vinegars, KEWPIE MAYONNAISE has become a cult favourite among chefs and food lovers worldwide thanks to its distinctive creamy texture and deep umami flavour.

    The London pop-up marks the launch of KEWPIE IT., a campaign encouraging people to add a little extra joy to everyday cooking, whether that's a sandwich, salad, burger or bowl of vegetables.

    Key Highlights

    ● Taste an authentic Japanese Tamago Sando

    ● Pick up a limited-edition KEWPIE IT. Mayozine

    ● Win exclusive KEWPIE merchandise and products

    ● Capture photos in the interactive pop-up space

    Whether you're already obsessed with Japanese food or simply curious to discover the richness and umami flavour of a Tamago Sando made with KEWPIE MAYONNAISE, this limited-time London pop-up offers a taste of joy in the heart of Covent Garden.

    KEWPIE MAYONNAISE is made using predominantly egg yolk, delivering its signature creamy, rich, deeply umami flavour. Kewpie‘s proprietary vinegar further deepens this distinct taste. Through a dedicated commitment to thoughtful ingredients, proprietary techniques, and technology, KEWPIE MAYONNAISE has earned consumers’ trust and a strong reputation for over 100 years. Loved by chefs and home cooks around the world, KEWPIE continues to inspire people to transform everyday dishes through simple, quality ingredients. In London, the campaign invites people to make the joy and KEWPIE IT. at home: an elevated Tamago Sando, made your way.

    Now it’s your turn. Make the Joy. KEWPIE IT.For more information about KEWPIE MAYONNAISE, visit: https://www.kewpie.co.jp/r/event2609

    Guest Post

    Contributor at The London News

    Loading more stories…