Tonkatsu sauce
{{short description|Japanese seasoning sauce}}
{{for|UK "katsu sauce"|Japanese curry}}
File:Pork_cutlet_%28Tonkatsu%29_-_Flickr_-_jetalone.jpg
Tonkatsu sauce or katsu sauce is a Japanese sauce served with tonkatsu (pork cutlet). It is a thick (viscosity over 2.0 pascal-second, per JAS Standard) Japanese Worcestershire-type sauce. It is similar to the British and Irish brown sauce, and can include a fish sauce, tomatoes, prunes, dates, apples, lemon juice, carrots, onions, and celery among its ingredients.{{cite web |url=http://www.kikkoman.com/foodforum/spotlightjapan/17.shtml |title=Western Roots, Japanese Taste: Tonkatsu |work=Food Forum |publisher=Kikkoman |archive-url=https://web.archive.org/web/20110404222642/http://www.kikkoman.com/foodforum/spotlightjapan/17.shtml |archive-date=2011-04-04}}{{cite web |url=http://tonkatsu.bulldog.jp/about/ |title=About Tonkatsu |publisher=Bull-Dog Sauce Company |access-date=2018-04-22}}
History and varieties
The first tonkatsu sauce was made in 1948 by Oliver Sauce Co., Ltd. of Hyōgo Prefecture. The Bull-Dog brand of tonkatsu sauce, for example, is made from malt vinegar, yeast, and vegetable and fruit purees, pastes, and extracts.{{cite web |title=Tonkatsu |url=http://tonkatsu.bulldog.jp/about/ |publisher=Bull Dog |access-date=3 August 2020}} In the United States, Kikkoman brand sells a fruity tonkatsu sauce with applesauce as the main ingredient.{{cite web |title=Katsu sauce |url=https://kikkomanusa.com/homecooks/products/products_hc_details.php?pf=02150 |publisher=Kikoman |access-date=3 August 2020}}