mushroom ketchup
... that mushroom ketchup dates back to the 18th century in the United Kingdom and United States?
... that <b id="mwBUU"><a href="./Mushroom_ketchup" id="mwBUY" rel="mw:WikiLink" title="Mushroom ketchup">mushroom ketchup</a></b> dates back to the 18th century in the United Kingdom and United States?