The Canadian-born baker James Alexander Dewar, working for the Continental Baking Company in Illinois, invented the Twinkie—a small, sponge cake filled with sweet banana cream (later changed to vanilla cream during WWII banana shortages). Designed as a highly affordable, mass-market snack cake that utilized idle strawberry-shortcake baking molds out of season, the product relied on advanced industrial emulsifiers and chemical preservatives to achieve an unprecedented shelf life, becoming the ultimate icon of processed fast-food consumption.

The Twinkie evolved into a central, highly charged cultural symbol for the synthetic artifice, nutritional void, and corporate homogeneity of post-war American consumer capitalism. Late-twentieth-century Pop and Beat poets heavily integrated the golden, sponge cake into their verses to construct sharp, humorous critiques of modern suburban alienation, childhood obesity, and the total decline of natural organic nutrition.