AdvertisementWhaddaya Knead? Yeast And Baking Powder Top America's Shopping ListsApril 03, 2020Camila DomonoskefacebookEmailA grocery store worker stocks bread at a MOM's Organic Market in Washington, D.C., on April 2. Last week, bread sales jumped 30% compared to a year ago. But yeast sales were up more than 450%. (AFP via Getty Images)