An Onion is a common vegetable that is used in many different recipes or eaten by itself. It is the primary ingredient in Onion Soup.
Seventeen cups of chopped onions are needed for the Oktoberfest Surprise recipe.
Six spring onions are one of the ingredients in Mama Pupkin's Recipe for Herring in a Fur Coat.
One large onion was used in Russian Cabbage Soup.
Two chopped onions are called for in Uncle Friedrich's Bacon Soup.
Onion on Wikipedia