If you’re the sort of person who uses the annual avalanche of food and drink predictions as an anthropological window into the state of the American psyche, prepare for a stripped-down, no-nonsense 2020.

Mold and sobriety will be popular. Porridges like jook and arroz caldo are the new comfort foods. Saving the planet will have a new urgency, so bring your own mug to the coffee shop and learn to embrace the term “plant-based.”

“There is a sense that the rose-colored glasses are off,” said Andrew Freeman, president of AF&Co., the San Francisco consulting firm that for 12 years has published a food and hospitality trend report. This year’s is titled “We’re Not in Kansas Anymore.”

“The world just feels different,” Mr. Freeman said. “The labor market is tight, the political landscape is a mess. All of us are trying to navigate it.”