Kewpie is a smooth, creamy Japanese mayonnaise, and is made with rice vinegar, rather than distilled vinegar, giving it a distinctly unique flavor. It is Japan's #1 mayonnaise. It is the perfect accompaniment to sushi, okonomiyaki (Japanese savory pancake), salads and vegetables. It's a favorite of restaurant chefs all over the world and is preferred when using as a recipe ingredient due to its extremely smooth texture.