Heat oil in a cooking pot.
Once the oil becomes hot, saute onion and garlic.
Add pork belly. Continue to saute until it turns light brown.
Add Chorizo de Bilbao. Cook for 1 minute.
Put the tomato into the pot. Stir and pour-in tomato sauce. Continue to cook for 2 minutes.
Pour beef or pork broth into the pot. Let boil. Cover and cook in low heat for 45 to 60 minutes. Note: you can add more broth or water if needed.
Add banana and potato. Cover and cook for 8 minutes.
Add the long green beans. Stir. Cook for 3 minutes.
Put the baby bok choy into the pot. Cover. Cook for 2 minutes.
Season with fish sauce and ground white pepper. Stir,
Transfer to a serving bowl. Serve.
Share and enjoy!