To get rid of musky odor, boil peeled beef tongue along with bay leaves and ginger until the water volume shrinks. Remove from heat
Combine all marinades in to the pot, soak for 1 hour
Meanwhile, deep fry potato and tofu, and prepare the spices
On large pan, saute all spices ingredients with margarine until the onion turn golden
Pour in marinated beef tongue along with the marinades and 1 cup of water, turn to boil, stir occasionally
Add in fried tofu and potato, stir, simmer until the water level shrinks
If you work with beef, check the tenderness by poking meat with fork. If it’s still tough, and another cup of water then re-do the simmering until the water volume turns half.
Serve with rice and boiled vegetable.