Cut the crusts off two slices of bread to make them roughly the same shape as the steaks. Spread both sides with the sunflower spread.
Heat a frying pan and brown the bread on both sides. Spread withe paté and set aside.
Put the olive oil in the pan then fry the steaks to your preference. Place the steak on the bread on top of the paté. Cover and let rest.
Add the wines to the pan, reduce by about half add the beef stock and seasoning.
In another pan fry the chopped mushrooms in the remaining sunflower spread for a couple of minutes, then add to the hot stock in the other pan.
Pour the sauce over the steaks and serve