The Washington Post has a good piece enumerating the various reasons that "nearly all food categories at the grocery store have risen at rates not seen since the early 1980s. But shoppers already know that the cost of food has surged alarmingly, from the produce aisle to the meat counter and the freezer section.
"Most consumers also know this is being driven by worker shortages, higher fuel costs and lingering supply-chain snarls from the pandemic. But other factors have emerged in recent weeks to push up that grocery bill. Here are four hidden reasons food prices have skyrocketed:" The high price of corn, exacerbated by the war in Ukraine … "the worst avian flu outbreak in the United States since 2015" … "the increased transit and inspection time at the U.S.-Mexico border (which) caused significant delays to arrivals of produce" … and the continuing drought in California.
You can read the entire piece here.