Money Dry yeast flew off shelves during coronavirus pantry stocking. Here’s when you can buy it again April 23, 2020April 23, 2020 Jessica Guynn and Kelly Tyko, USA TODAY Comments Off on Dry yeast flew off shelves during coronavirus pantry stocking. Here’s when you can buy it again Why is there a yeast shortage? Call it the great American bake-off. From pizza to sourdough, the COVID-19 pandemic has turned Americans into bakers.