Servings: 4 servings

1¼ lbs beef sirloin 1¼ lbs beef sirloin
1 onion 1 onion
6 oz fresh mushrooms 6 oz fresh mushrooms
2 tbsp butter or margarine 2 tbsp butter or margarine
½ tsp salt ½ tsp salt
dash of black pepper dash of black pepper
½ tsp paprika ½ tsp paprika
4 tbsp tomato paste or puree 4 tbsp tomato paste or puree
2 tsp Dijon-style mustard 2 tsp Dijon-style mustard
⅔ cup whipping cream ⅔ cup whipping cream
⅔ cup sour cream ⅔ cup sour cream

Cut meat into thin strips. Peel and chop onion. Clean and slice mushrooms.
Heat butter in a skillet. Brown meat quickly. Reduce heat. Add onion and mushrooms. Saute for a few minutes.
Season with salt, pepper and paprika. Add tomato paste or puree and mustard. Stir in Whipping cream.
Cook, covered on low heat for about 10 minutes.
Remove from heat. Stir in sour cream. Heat but do not cook over high heat. The sour cream may curdle.
Serve

Prep: Fairly easy. Cost: Fairly expensive. Prep time: 30 minutes.  Prep: Fairly easy. Cost: Fairly expensive. Prep time: 30 minutes.