What Is Kewpie Mayo And Why Do Chefs Say It's The Best? Chowhound ^ | July 10, 2026 | Alysa SalzbergPosted on by ProtectOurFreedomAsk any foodie who keeps up with the latest culinary trends and they may tell you about Kewpie mayo. What is Kewpie mayo? For Schuttenberg, Kewpie mayo is "creamier, eggier, umami-er," adding that it has a "cuter delivery device," referring to Kewpie bottles' lettering and designs, as well as its retro-looking Kewpie figure mascot and star-shaped nozzle. He claims this duplicates the recipe used in 7-11 Stores in Japan and the key is Kewpie Mayo, an egg-yolk forward Japanese mayo.