Welsh cuisine butter was the primary cooking medium and basis for sauces. Salt was an important ingredient in Welsh butter, but also in early Welsh cheeses, which would sit in brine during the cheesemaking process. The Welsh were also early adopters of roasting cheese. An early incarnation of Welsh rarebit was being made in medieval times, and by the middle of the 15th century rarebit was considered a national dish. The acid soil of Wales meant that the milk produced by their cattle created a soft cheese, which was not as good for roasting, so Welsh people would trade for harder cheeses
Welsh rarebit calf prepared after the recipe of a she-banker." In H. G. Wells's 1898 short story "The Man Who Could Work Miracles (story)" Mr. Fotheringay helps himself to a couple of Welsh rarebits "out of vacancy". The comic strip "Dream of the Rarebit Fiend", by Winsor McCay, featured the fantastic dreams that various characters had because they ate a Welsh rarebit before going to bed. In "Gomer, the Welsh Rarebit Fiend", Season 3 Episode 24 of "Gomer Pyle, U.S.M.C.", indulging in Welsh rarebit causes Gomer (and later Sgt. Carter) to sleepwalk. In the Neil Simon play Plaza Suite, Act I character