Libas in Bicol Sinanglay: Sour Leaves, Coconut Milk and a Properly Cooked Fish Filling

Sinanglay is often introduced through fish, pechay and coconut milk, but the leaves tucked around or inside the fish can make a remarkable difference to its flavour. Libas is one of those less familiar ingredients. Its young leaves give a distinct souring character that cannot be recreated simply by adding more tomato. A good home method keeps the fish fully cooked and the coconut sauce gentle, while using an accurately identified, food-grade leaf in a restrained amount. Source 2

Know the ingredient

Libas is Spondias pinnata. DENR’s Ecosystems Research and Development Bureau records dried young leaves in laing and fresh leaves in the filling of fish cooked in coconut milk as sinanglay. Use young leaves supplied as a food ingredient. Their sourness varies, so begin with a small amount and keep extra calamansi for the table instead of packing the fish with an unknown quantity. Source 2

Ingredients and equipment

For two to three servings, use a cleaned 450–600 g tilapia or similar fish, about 10 g young edible libas leaves, one small chopped tomato, half a chopped onion, 10 g ginger, 250 ml coconut milk and 100 ml water. Use four broad pechay leaves if you want an outer wrap, plus food-safe kitchen string. Have a lidded pan that fits the fish and a probe thermometer.

How to prepare it

1. Wash the identified libas and pechay under running potable water. Trim tough stems and slice the libas thinly. Prepare all vegetables before handling the raw fish.
2. Keep the fish cold until needed. Mix libas, tomato, onion and ginger; place loosely in the cleaned cavity or between fish portions. Do not pack the centre tightly.
3. Wrap with pechay if desired and secure with food-safe string. Arrange in one layer in the pan, then add coconut milk and water.
4. Bring to a gentle simmer, cover and cook without a fierce boil. Begin checking a whole fish at about 20 minutes; size, thickness and filling affect the time.
5. For stuffed fish or a filled parcel, check the thickest filling and fish centre reaches 74°C for at least 15 seconds. If you cook unstuffed fish with all aromatics loose in the sauce, the finfish minimum is 63°C.
6. Remove the string, spoon over the coconut sauce and serve hot. Adjust salt only after tasting the cooked sauce; offer extra sourness separately.

What success looks like

The fish should separate into moist flakes and the pechay should be tender. The coconut sauce can remain light or reduce gently after the cooked fish has been lifted out. If you want more acidity, add a little calamansi to the finished sauce; do not repeatedly cook the fish while chasing a stronger sour taste.

• Fish flakes apart on lifting: Overcooked or repeatedly turned. Poach gently and lift once with a wide spatula.
• Gata separates visibly: Heat was too vigorous. Reduce to gentle simmer; avoid hard boiling.
• Leaf flavour is unfamiliar or harsh: Unknown plant or excessive amount. Stop and verify edible libas rather than masking it.

Substitutions and value

If genuine libas is unavailable, use a familiar souring ingredient such as calamansi at the table and describe the result as a different home adaptation. Pechay adds a useful wrapping texture but not the same acidity. Cost the fish by its cleaned edible yield, particularly when buying a whole tilapia. Avoid double-counting what looks like a low per-kilo price if head, innards and bones are substantial.

Handling and storage

Use reliably identified edible libas. Fish is an allergen; keep raw-fish tools separate from ready-to-eat vegetables. Filled fish needs the 74°C endpoint given above, while ordinary unstuffed fish follows the 63°C finfish guidance. Refrigerate leftovers in shallow containers within two hours, or within one hour when the surroundings are above 32°C. Keep the refrigerator at 4°C or colder. Source 1 Source 3