Beef Stroganoff is one of the most abused dishes going I think I have posted my Georgian Uncles method which he taught me 45yrs ago. My Uncle was a kid when he got to the UK with his family, they had been tricked as they were told they were going to America and Uncle told me it was about a year before they realised they were in the UK. My Uncle was a very tough man and became an illegal bookmaker
Slice onions and mushrooms into thin batons, slice fillet steak into thin strips, bring the sour cream up to room temp.
Sweat the onions in a little butter till they are opaque but still have a bit of bite, place on a dish, then clean your frying pan.
Fry the mushrooms in a little butter till all the moisture has evaporated,place on a plate and clean the pan.
Dust the stake with cornflour, fry in a very hot pan using a plain oil for a few seconds, add the onions, mushrooms and lots of black pepper and stir fry for a few more seconds the tip in your thick sour cream, the cornflour will work with the cream to form a loose omelette consistency in a few seconds, season to taste and serve by the side of a mountain of crisp french fries.
The texture combination of the fries and strog enhances takes the dish to the next level.
It is best served with Bison Vodka that has been in the freezer.