Simple dish yet very healthy and tasty...
Boil 3 cups of water in a deep pot.
Once water starts boiling add the slices of (1) onion and (2) medium tomatoes for 2 minutes.
Add 1 lb salmon belly and simmer for 5 minutes.
Season with salt, ground pepper and sinigang mix to taste.
Top with kangkong leaves.
Remove from heat and serve hot.