There is a restaurant in Armenia that uses mirrors to bake dishes for customers. At least when the sun is out. https://www.atlasobscura.com/articles/solar-ene

There is a restaurant in Armenia that uses mirrors to bake dishes for customers. At least when the sun is out. https://www.atlasobscura.com/articles/solar-energy-cooking-armenia https://www.atlasobscura.com/articles/solar-energy-cooking-a... "Armenian scientists Gregor Mnatsakanyan and Vahan Hamazaspyan originally created the satellite dishes with dreams of distributing them around the country. Hamazaspyan, a pioneer in the study of solar energy use, began developing the first prototypes in the 1980s, after the devastating Spitak earthquake. Satellite solar ovens, he hoped, would feed his countrymen affordably during hard times."