Add red wine for flavour.A thicker and richer goulash, similar to a stew, originally made with three kinds of meat, is called Sz??kely guly??s, named after the Hungarian writer, journalist and archivist J??zsef Sz??kely (1825--1895).Some cookbooks suggest using roux with flour to thicken the goulash, which produces a starchy texture and a blander taste.