Tonkatsu sauce is a thick, sweet, and savory Japanese sauce that is typically served as a condiment for fried and breaded pork cutlets, known as tonkatsu. It is made from a blend of vegetables, fruits, and seasonings such as pureed tomatoes, dates, apples, soy sauce, vinegar, and spices. Tonkatsu sauce has a rich and tangy flavor that is both sweet and savory, with a slightly fruity and umami taste. It is also commonly used as a dipping sauce for other deep-fried foods, such as tempura and karaage, and as a flavoring for rice bowls and noodles. Tonkatsu sauce can be found in most Japanese grocery stores and is also available for purchase online. It is a popular condiment in Japanese cuisine and is enjoyed by many people around the world.