4 Tbs. Butter                                             
 1/4 C. Flour
 1 tsp. Salt                                                   
 1/4 tsp. Pepper
 1 1/2 lb. Flank or Skirt Steak, cut            
 1 med. Onion, peeled and chopped into 1/4�?slices                                       
 2 Cloves Garlic, peeled and minced
 1 1/4 C. Beef Broth  (or 1 boullion cube and 1 1/2 C. boiling water)                                 
 1/2 lb. Mushrooms, sliced
 2 Tbs. Tomato Paste                                
 3/4 C. Sour Cream
 Cooked Noodles