mushroom stroganoff

I think I learned how to make this in 1st grade. My mom was obsessed with mushrooms like everyone in my family and this could be put together cheaply for a pile of people and fast

Slice 1 onion and 1 lb mushrooms....(if you eat meat you can braise 1/2 lb of meat here instead of half the mushrooms) any mushrooms will do but I usually use cremini here as they are cheaper than the wilder sorts and have more flavour than white button.
If you happen to have dried shitake on hand rehydrate a small handful. Cut them up and toss the water in too.
Sautee onion and mushrooms at medium heat with 1 tb butter and 1 tb olive oil until the onions become translucent and the mushrooms begin to give off fluid. If you have it add 6oz  of wine and 4 oz glass water, otherwise 10 oz of water will do just fine.Salt and pepper to taste. Do not lower the heat. Once the liquid is reduced by half turn off the heat. The add ins following will curdle if heated much. Add either 3/4 yogurt, 8oz sour cream or 8oz vegan sourcream. Stir and serve over brown rice or buttered (gf) broad noodles with something green or some sauerkraut.