According to STANFORD REPORT
Stanford bioengineer Vayu Hill-Maini is investigating how fungi could transform food waste into nutritious and appealing foods. The research addresses a growing challenge: the global population could approach 10 billion by 2050, increasing pressure to produce food more sustainably and equitably.
Approximately 30% of all food produced worldwide is wasted. According to Hill-Maini, food waste is also responsible for about half of the greenhouse gas emissions associated with the food system. His laboratory — which uses fungi such as Neurospora intermedia — is studying whether fungi can simultaneously reduce this waste and create additional sources of food.
Fungi act as natural recyclers by breaking down materials that many other organisms cannot digest. Some edible mushrooms, including shiitake and oyster mushrooms, already grow successfully on sawdust and other plant-based residues. This ability could allow fungal cultivation to convert agricultural byproducts and discarded organic materials into edible biomass — the Hill-Maini Lab has already demonstrated this principle by transforming byproducts such as soy pulp and oat milk waste into nutritious, umami-rich ingredients.
The Stanford team is studying naturally occurring fungi while also applying genetic modification to improve their performance. Researchers aim to enhance how efficiently fungi break down waste while adjusting their nutritional value, flavor, and texture — the lab uses CRISPR gene-editing technology to “domesticate” fungi by removing off-flavors and increasing nutritional content, and describes its creative process as a “design, build, taste, learn” cycle. The goal is not simply to increase food production, but to develop products that consumers find enjoyable and culturally acceptable.
Hill-Maini noted that mushroom cultivation has undergone comparatively little technological development. Although crop and livestock production have changed substantially over time, many mushrooms eaten today closely resemble those consumed thousands of years ago. A deeper understanding of fungal genetics and biology could therefore reveal opportunities for food production that have not yet been fully explored.
The research also draws on the long history of fungi in human diets. Bread, cheese, soy sauce, sake, and miso all depend on fungal fermentation or fungal activity. This established cultural familiarity may help future fungi-based foods gain acceptance, particularly if they build upon recognized culinary traditions instead of being presented as entirely unfamiliar laboratory products.
To connect scientific research with practical food development, Hill-Maini’s laboratory launched a chef-in-residence program, starting with Ramón Perisé, the head of creativity at a two-Michelin-star restaurant in Spain. Chefs collaborate with researchers during the discovery process and contribute knowledge about preparation, flavor, texture, and consumer experience. As Hill-Maini has explained, “our Chef-in-Residence program helps us think not just about technology, but about how the perspectives in art and design can make sustainable food desirable – beautiful and delicious.” The laboratory is also building a kitchen where researchers can evaluate how genetically modified or selectively cultivated fungi perform as food ingredients.
The work remains exploratory and has not yet produced a single commercial product or large-scale solution. Questions involving safety, regulation, production costs, consumer acceptance, and scalability would need to be addressed before new fungal foods could enter widespread use.
However, the research illustrates how biology, engineering, and culinary knowledge may work together to reduce food waste. By treating fungi as both efficient decomposers and established food organisms, Stanford researchers hope to identify sustainable options that are nutritious, flavorful, and practical for a growing global population.
References
Stanford Bioengineering. A Taste of the Future: Stanford Bioengineering’s Chef-in-Residence Program.
Chemical & Engineering News (2026). This bioengineer transforms food waste into haute cuisine.
According to STANFORD REPORT
