Season beef : salt & pepper & 1 tsp smoked paprika & 1 tbsp flour.
Hot pan: heat 1 tbsp olive oil : Brown 500g beef--Remove. In the same pan: butter & olive oil Fry 1 onion & 1 garlic & capsicum 2 handfuls mushrooms : 5 min
Pour in 1/4 cup wine: reduced Add 1/4 cup beef stock Boil and simmer : 5min-10mins (thicken) Stir in 1/4 cup sour cream: gentle bubble
Return the beef Season to taste. Sprinkle with parsley.