Ingredients
Olive or vegetable oil
2 ½ cups chopped fresh mushrooms
2 onions, chopped
2 garlic cloves, minced
1 ½ lb. beef sirloin steak,
cut in ¼ inch thick strips
¼ cup butter
¼ cup all-purpose flour
1 ½ cups beef broth, reduced sodium
1 ½ teaspoons Worcestershire sauce
Salt
Black pepper
1 ½ cups sour cream
Preparation
