2 lbs. sirloin steak cut into thin strips
2 c. (1 pt.) sliced fresh mushrooms
2 med. onions, sliced
2 tbsp. oil or shortening
3 beef bouillon cubes
1 c. hot water (1/2 can be wine)
1/2 tsp. salt
2 tbsp. tomato paste
1 tsp. dry mustard
2 tbsp. flour
1/2 c. cold water
1 c. dairy sour cream

In large fry pan saute steak in hot oil until golden brown. Add 1 1/4 cup water and simmer 1-1 1/2 hours. Add sauteed mushrooms and onions. Add bouillon cubes, water, salt, tomato paste, and mustard. Cover; simmer 20 minutes.

Combine flour and cold water. Slowly stir into meat mixture. Cook, stirring constantly until mixture comes to a boil. Reduce heat; stir in sour cream. Heat but do not boil. Serve over rice or noodles.