Most people assume that fast food means frozen patties, factory-sealed sauces, and microwaved meals. Honestly, that assumption is pretty fair - and for a large chunk of the industry, it's accurate.

Frozen food sales in the U.S. were up more than 45% during the 52-week period that ended in September 2025 compared with calendar year 2019, according to the American Frozen Food Institute and FMI.