Brown beef in the oil in wok. When cooked, add water. Add onion and celery. Cover and let cook till veggies are just tender. Add broth and salt. Mix up a couple of tablespoons of flour with water until it is a runny paste-like consistency. Place a sieve in the centre of the boiling ingredients and pour flour/water mixture in stirring quickly to avoid lumps. Lift sieve out and stir all ingredients. It should have thickened.
Meanwhile, steam your broccoli - leave crisp AND have cooked brown rice at the ready.
To serve:
Place spoonfuls of rice on a plate. Ladle the meat etc. overtop. Place broccoli on the very top.