Olga Leon places pieces of "lab-grown" atop guacamole as she serves up cultivated chicken tostadas at a pop-up tasting hosted by California-based producer Upside Foods, Thursday, June 27, 2024, in Miami. As Florida's ban on lab-grown meat is set to go into effect next week, one manufacturer held a tasting party, serving up cultivated chicken tostadas to dozens of attendees on a rooftop in Miami's Wynwood neighborhood. (AP Photo/Rebecca Blackwell)