Researchers supported by NASA develop a process that uses genetically engineered yeast to convert PET plastic (such as plastic bottles) and agricultural waste into ingredients for edible, protein-rich cookies. The project produces small, 3D-printed “µBites” (also described as “microbites”), designed to incorporate proteins, fats, vitamins, and flavor components, including vanilla.
The work is connected to NASA’s Deep Space Food Challenge, which focuses on creating food supplies for extreme environments like deep-space missions. The sources describe the approach as aiming to reduce plastic pollution while also contributing to food security. One outlet emphasizes potential relevance for feeding astronauts on missions such as those to Mars, while another highlights the broader use of the technology and its ability to generate multiple nutritional components from waste streams.
While both accounts agree on the overall concept—yeast-driven conversion of waste into printable, edible cookie ingredients—details such as the timeline to broad availability are presented more explicitly in the second report. Both present the system as an innovation still in the development phase, with researchers expecting future progress toward practical deployment.
