Beef Shank Stew

Name: Beef Shank Stew
Prep time: 20 min
Cook time: 2 h
Total time: 2 h 20 min
Cuisine: Asian, Chinese
Ingredients: 1 kg beef shank (cut into bite-size pieces); 3 tablespoon olive oil; 1 cup celery (chopped); 1 cup tomato (diced); 2 potato (peeled and cut into small pieces); 2 carrot (peeled and cut into small pieces); 1 onion (chopped); 4 clove garlic; 1 teaspoon pepper; 2 tablespoon soy sauce; 2 tablespoon fish sauce; 1 pinch salt; 3 tablespoon flour; 6 cup water (or enough water to cover the ingredients)