Cooking in
California
Thai
Haw Mok Pla — Steamed Fish in Banana Leaf / ห่อหมกปลา
Haw mok pla is a simpler, more rustic cousin of hor mok talay — individual portions of spiced fish wrapped tightly in banana leaf and steamed or grilled directly on charcoal. The technique requires no custard element — the fish is simply mixed with red curry paste, kaffir lime leaf, horapha basil, and a small amount of coconut cream, then wrapped and cooked. The banana leaf seals and steams the fish in its own juices, concentrating the curry paste aromatics around the protein. At charcoal level, the banana leaf chars on the outside and imparts a smoky-grass note to the fish inside. This version is common in Northern and Isaan street food as well as Central Thai.
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I
The Market List
The benchmark for each ingredient, and who stocks it near you. Tap a stockist to go straight to the product.
600 g
fish
thick steaks or on the bone — not thin fillets
Your own market
3 tbsp
red curry paste
Not yet stocked in California
60 ml
coconut cream
a small amount only — to season, not sauce
Not yet stocked in California
4
kaffir lime leaves
finely sliced
Not yet stocked in California
1 small handful
horapha basil
leaves picked
Origin · New ZealandNot yet stocked in California
4 large sections
banana leaf
wilted briefly over an open flame until pliable
Not yet stocked in California
II
The Method
1
Pass each banana leaf section slowly over an open flame, turning constantly, until the leaf turns a deeper, uniform green and becomes fully pliable, so the heat relaxes the fibres and the leaf bends along the fold lines without cracking or splitting. Work at a steady pace — rush it and you scorch the leaf before it softens; stall and you dry it out. It must bend without cracking at any point along the fold lines before you move on.
2
Combine the fish, red curry paste, coconut cream, kaffir lime leaves, and horapha basil, mixing until every surface of the fish is evenly coated with paste, so the aromatics penetrate the flesh rather than sitting as a shell around it. The coconut cream is a seasoning here, not a base — add it last and mix briefly so it binds the paste to the fish without diluting the flavour. The mixture should smell of curry aromatics with no raw coconut heaviness.
From the canon — The foundational red curry paste of the Thai kitchen — built on dried long red chillies soaked and pounded with lemongrass, galangal, kaffir lime zest, coria… Red Curry Paste (Krung Gaeng Phet Daeng) →
3
Divide the fish mixture into four equal portions and place each at the centre of a wilted banana leaf section. This is where the dish lives or dies: wrap the leaf firmly around the fish and fold the seam to face downward or secure with toothpicks, but leave a small gap rather than sealing the package completely airtight, so the steam that builds inside can escape and the package does not burst during cooking. A parcel that is too loose, however, will unravel and spill the filling.
4
Steam the packages over vigorously boiling water for 10–12 minutes — or grill over medium charcoal for the same time, turning once at the halfway point — so the fish cooks through gently in its own aromatic cloud without drying out. For the charcoal method, the outer banana leaf will char visibly and the package will release a smoky-grass aroma that tells you the heat is reaching the fish. The fish is done when it feels firm — not hard — through the leaf when pressed with a finger.
5
Open one package at the table so the rush of fragrant steam — curry paste, chlorophyll, and the tea-like note of the leaf — reaches the diners as the first impression of the dish. The fish inside must be just opaque throughout. Serve the remaining packages intact for each diner to open.
From the canon — The making of a Thai curry paste in a granite mortar — the sequential pounding of aromatics from hardest and driest to most moist, each added only when the p… Curry Paste: Pounding Technique (Khreuang Gaeng) →
III
Quality Hierarchy
01
Reserve — Wild-caught river fish — snakehead or carp — on the bone; hand-pounded red curry paste made to order; young coconut cream extracted the day of cooking; fresh banana leaf cut and wilted to order over charcoal.
02
Estate — Good-quality sea bream or barramundi steaks; red curry paste made from whole dried chillies and fresh aromatics; fresh coconut cream; fresh banana leaf from an Asian grocer.
03
Market — Firm white fish steaks (cod, hake, or sea bass); a reliable commercial red curry paste; canned coconut cream, spooned from the top of an unshaken tin; fresh banana leaf.
04
House — Any firm fish steak available; commercial red curry paste; canned coconut cream; banana leaf from the freezer, fully thawed and wilted with care — the wrapping technique remains the same at every rung.
IV
Sensory Tests
◇Sight. The banana leaf has turned a deep, uniform green and bends at a sharp angle without cracking — it is ready to wrap.
◇Smell. At the charcoal stage, a smoky-grass and curry-paste aroma rises from the charring exterior — the leaf is doing its work.
◇Touch. When pressed firmly through the banana leaf, the fish yields with a slight resistance and springs back — firm but not hard, indicating it is cooked through without being overdone.
◇Sight. When the package is opened, the fish inside is fully opaque with no translucent grey at the centre.
◇Where it lives or dies. The banana leaf package must be folded firmly enough to seal the fish in its own steam, yet left with a small escape for pressure — a perfectly airtight seal bursts the package, and a carelessly loose one dissipates the aromatics entirely.
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VI
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