Beef Stroganoff

Directions

1. 1
   cut beef into narrow strips. season with salt and pepper and refrigerate 2 hours.
2. 2
   In a saucepan melt 1 1/2 T butter, add flour and stir until blended. Meanwhile, bring consomme to a boil and add all at once to butter/flour mixture stirring with whisk until sauce is thickened and smooth. stir in mustard.
3. 3
   In separate pan heat remaining butter, add meat and sliced onion and brown quickly on both sides. Remove meat and discard onion.
4. 4
   (Or reserve for the table)
5. 5
   Add sour cream to mustard sauce and heat over a brisk flame for 3 minutes. Pour sauce over meat and serve.