Jiffy was created as the first prepared baking mix in the United States by Mabel White Holmes.

[1] In March 2013, the company had around 350 employees,[2] and in 2015 employs about 300 workers[1] and produces 1.6 million boxes of its products each day.

Originally a commercial operation that sold only to other businesses, its first baking mix designed for sale to consumers was created in the spring of 1930 by then-owner Mabel White Holmes.

[7] In 2008, the company began expansion into the food service and institutional industries due to a decline in the home-baking products market.

[1] Expansion plans include the introduction and implementation of more modern equipment, which requires fewer personnel to operate, and an increased capacity for storage.

[1] In 2013, as part of the plans to keep the company moving forward into the future, a new research and development facility was built that cost over $6 million.

[1] In 2013, Chelsea Milling Company produced 180 million boxes of Jiffy mix during their busy season, which runs from September through January.

[9] The vegetarian corn muffin mix uses a mixture of palm and soybean oil in place of lard.