I bought a Misen stainless pan recently, it’s privately owned by its founders (not private equity) and has rolled edges so you don’t cut your hand.

Yeah yo for sure can, though you probably don’t need to simmer for as long with everything combined if it’s just mushrooms.

I would do a variety for a bigger range of umami flavour, (et 3:1 cremini:shitake), then add a bit of msg, it’ll hit hard. MSG optional but it’ll hit hard.

I think you can also fake mallard reaction (browning meat) but I don’t know how bc I’m not vegan.

Worcestershire also could help, but idk if it’s vegan