The first recipe for beef stroganoff dates back to the 1800s and is rumored to have Russian aristocratic origens. This version is a bold, modern vegetarian reimagination that is rich and decadent, thanks to the magic of mushrooms, which deliver walloping umami. A variety of mushrooms adds a nice mix of textures, but a similarly intense dish can be created with just one type. Achieve even deeper layers of flavor by soaking a handful of dried porcini mushrooms in one cup of hot water for 10 to…