Russian Bitki

Russian Bitki
2 lbs. top round beef
1/2 lb. mushrooms
1 medium onion
2 Tbsp. flour
1 pt. sour cream
2 Tbsp. butter
Salt
Pepper
Wipe the meat and dice; brown on all sides in a little hot fat. Add a small amount of water and simmer for 30 minutes. In the meantime, chop the mushrooms and onions, and brown slightly. Make a gravy of the flour, sour cream, butter and seasonings; add to the onion and mushrooms. Pour over the meat in a casserole. Bake in a slow oven (300 F) for 30 to 60 minutes. Serve from the dish in which it is cooked. Serve with either white or wild rice. Serves 6 to 8.