Who are you?

“Tell me what you eat, and I will tell you who you are."

So said French gastronome Jean Anthelme Brillat-Savarin in 1825. He meant it as a metaphor, but in 2024, if you’re talking to a social scientist, the phrase could be literal.

Since January 2022, the Center for Food Demand Analysis and Sustainability at Purdue University has been tracking trends in consumer food demand and behaviors. Sometimes…