[3] In 1915, Malik joined Armour & Company, a Chicago meat-packing firm, to head its nascent food economics department, while also writing and lecturing for the National Grocers Association and the National Canners Association,[2] under the name "Jean Prescott Adams".
She became known nationwide in 1917 as the editor of Armour's pamphlet, The Business of Being a Housewife: A Manual to Promote Household Efficiency and Economy.
[3] In 1925, Malek began working for the Chicago Herald and Examiner as its home economics editor[4] until 1939, writing a daily "Prudence Penny" column.
[2] Malek was also the president of the Illinois Woman's Press Association from 1929 to 1935, during which she raised awareness for women of opportunities in radio journalism.
At the time of her death, she was serving as the defense chairman for the regional chapter of the Daughters of the American Revolution.