Pour water in a cooking pot. Let boil.
Add onion and tomato. Let the water- re-boil.
Put the salmon heads into the pot. Stir.
Once the water starts to boil once more, add Knorr Sinigang na May Miso Recipe Mix. Stir.
Add the long green peppers. Cover and then cook in medium heat for 12 minutes.
Add okra, ground black pepper, and fish sauce. Stir. cover and cook for 5 minutes.
Add the mustard leaves. Cover and cook for 3 to 5 minutes.
Transfer to a serving bowl. Serve.
Share and enjoy!