Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   2      pounds        round steak -- cut into 1/2
   1      inch          cubes
   3      tablespoons   oil
   1      large         onion -- chopped
   1      clove         garlic -- minced
   3      tablespoons   flour
   1      3 ounces can  mushrooms -- undrained
     1/2  cup           chopped celery
   1      cup           sour cream
   8      ounces        tomato sauce
   1      teaspoon      salt
                        pepper
                        chopped celery -- for garnish
                        chopped chives -- for garnish

Preparation:

In a large saucepan, heat oil. Add beef. Brown. Add onion and garlic. cook, stirring, until onions are transparent. Add flour, stirring until beef cubes are coated. Add mushrooms with juice and celery. In a small bowl, combine remaining ingredients. Mix well. Pour over meat. Toss well. Remove from heat. Turn mixture into a greased 2 quart casserole dish.Cover. Bake at 325 for 1 1/4 to 1 1/2 hours until meat is tender. Sprinkle with chopped celery and chives.