The popular breakfast food had sales over $9 billion in 2020 and then $8.66 billion in 2021, according to IRI, a market research firm in Chicago.

March 7 is National Cereal Day and a data science team at a global e-commerce management company called Pattern tracked consumer demand on Amazon during every day of 2021 to determine which cereal was America’s favorite.

Do you eat cereal in the morning or at night? Yesterday was National Cereal Day. 🥄 Look for your answers from 1-2 p.m. today on KSAT 12 & KSAT.com! SA Live airs weekdays at 1 p.m. on KSAT 12. Stream the show anytime from the KSAT TV app on Roku, Fire Stick, a smart TV or smartphone.