350 g Lesters shaved steak
1 tbsp butter
1 tbsp vegetable oil
1 medium onion, chopped
1 cup sliced mushrooms (white or cremini)
1 tbsp all-purpose flour
1/2 cup beef broth
2/3 cup sour cream or yoghurt or 15% cooking cream
1 tbsp Dijon mustard
Salt and pepper to taste
Fresh chopped parsley, for garnish
To serve:
300 g wide egg noodles, cooked
Steamed vegetables (peas and sliced carrots)
Crusty bread on the side (optional)