From lab-grown chicken to cricket-derived protein, these innovative alternatives offer hope for a planet struggling with the environmental and ethical impacts of industrial agriculture. Now, Korean scientists add a new recipe to the list—cultured beef rice—by growing animal muscle and fat cells inside rice grains. The method, presented February 14 in the journal Matter, results in a nutritious and flavorful hybrid food that, once commercialized, could offer a more affordable protein alternative with a smaller carbon footprint.