Cut each fish fillet into 3 pieces
Optonal - Combine the fish with the marinade, set aside for 30 min. Heat wok with oil and cook the fish; set aside
Heat oil in wok.
Add ginger and garlic till fragrant.
Stir in hot bean sauce.
Add stock, wine, and soy sauce.
Add lettuce when stock is boiling.
If fish is not pre-cooked, add them wok till cooked.
If fish is already pre-cooked, prepare a big serving bowl.
Put the lettuce at the bottom of the bowl. Add cooked fish. Pour cooked stock over.
Serve with warm rice.