Beef Stroganoff

Directions

1. 1
   Cut small chunks of beef.
2. 2
   Dredge beef in flour, salt and pepper; brown beef in oil.
3. 3
   Drain.
4. 4
   Add 3 cups water, the bouillon cubes, tomato paste and mustard.
5. 5
   Simmer until meat is tender (about 1 hour).
6. 6
   Add sliced mushrooms; simmer until mushrooms are tender.
7. 7
   Right before serving, add the sour cream.