Cha Ca La Vong (Hanoi Turmeric Fish with Dill)

The cornstarch coating on the fish serves two purposes. It creates a thin, shatteringly crisp shell that contrasts with the soft flesh inside, and it protects the delicate fish pieces from falling apart during frying. The coating is light enough that it does not mask the turmeric marinade underneath, and the residual yellow color bleeds through, keeping the golden appearance intact.

Deep frying the fish before adding it to the aromatic skillet means you get both textures in one dish: the exterior stays crisp from the fryer while the dill and onion contribute a softer, more fragrant layer. If you were to pan-sear the fish directly with the herbs, as some versions do, the fish would absorb more oil and lose its crunch. The two-stage cooking keeps each element distinct.

Galangal in the marinade provides a sharper, more peppery note than ginger alone. It cuts through the earthiness of the turmeric and keeps the marinade from tasting flat. Even a small amount makes a measurable difference in the aromatic complexity of the finished fish, much the same way it functions in Thai preparations like turmeric fried fish.

The mam tom dipping sauce works because the fermentation process has already broken down the shrimp proteins into free amino acids, creating a concentrated source of umami. Diluting it with water and lime juice tames the intensity while preserving the depth. The sauce fills the same role as the nuoc cham in bun cha, but with a heavier, more complex flavor that stands up to the richly seasoned fish.

Fresh dill is the defining herb of this dish, and its late addition to the skillet is deliberate. Dill loses its flavor rapidly under sustained heat, so the brief wilting preserves most of its anise-like aroma while softening the texture just enough to meld with the onions and fish.

Fish: Catfish and swai are the closest to the traditional freshwater fish used in Hanoi. Tilapia and halibut work well for a milder flavor. Monkfish offers an especially firm, almost lobster-like texture that holds up beautifully to frying and tossing. Avoid very delicate fish like sole or flounder, which will break apart. For a comparison of how turmeric pairs with different fish preparations, see turmeric fried fish and pla nueng manao, which takes a gentler steaming approach.

Galangal: If unavailable, substitute with an equal amount of fresh ginger plus a small pinch of white pepper. The flavor will be slightly different but still aromatic and warm.

Fermented shrimp paste (mam tom): If you find mam tom too pungent, replace the dipping sauce entirely with nuoc cham (a mixture of fish sauce, lime juice, sugar, water, garlic, and chili). The dish will be milder but still satisfying. Mam ruoc, a similar fermented paste made from a different type of small shrimp, can be used interchangeably with mam tom, though it tends to be darker in color.

Broiling method (Andrea Nguyen's approach): Instead of deep frying, arrange the marinated fish on a foil-lined rack set inside a baking sheet. Broil about 10 cm from the heat source for 8 minutes, turn carefully, and broil for 5 to 8 minutes more until tinged brown on both sides. This produces a lighter result with less oil. After broiling, top the fish with the dill and green onions and pour 60 ml of hot oil over them to wilt the herbs.

Pan-searing method: For a lighter preparation, skip the cornstarch coating and sear the marinated fish in 2 tablespoons of oil over medium-high heat, about 3 minutes per side, until cooked through. Then proceed with the aromatic skillet step. The fish will be softer without the crisp shell but absorbs the herbs more directly.

Sour cream in the marinade: Some recipes, following Andrea Nguyen's adaptation, add 2 tablespoons of sour cream or plain yogurt to the marinade. This substitutes for the traditional Vietnamese me (fermented rice mash), adding a subtle tang and helping the marinade cling to the fish. It is not essential but worth trying for a slightly richer coating.

Cornstarch: Rice flour can be used in place of cornstarch for the coating. It produces a slightly grainier crust that stays crisp a bit longer.

Cha ca la vong is traditionally a complete meal on its own, with the noodles, fish, and herbs providing everything you need. At Hanoi restaurants, it is the only dish served, and nothing else is expected on the table.

For a larger Vietnamese spread at home, start with goi cuon, the fresh spring rolls that share the same herb-and-noodle foundation and offer a cool, clean opening. The light, uncooked wrapper contrasts nicely with the fried fish that follows.

If you are building a Hanoi-inspired dinner, pho bo or a light broth soup would work well as a first course, though traditionally these dishes would not appear at the same meal.

Cold bia hoi (Vietnamese draft lager) or a light pilsner is the classic drink pairing. The carbonation and mild bitterness cut through the richness of the fried fish and the intensity of the mam tom sauce. A glass of cold tra da (iced tea) works equally well for a non-alcoholic option.

For dessert, fresh tropical fruit is the most natural finish. Sliced mango, rambutan, or longan keeps the meal light after the richly seasoned fish.

Fried fish: Store in a sealed container in the refrigerator for up to 2 days. Reheat in a skillet over medium-high heat with a small amount of oil, turning once, until the exterior crisps again and the interior is warmed through, about 2 to 3 minutes per side. Microwaving will warm the fish but softens the cornstarch crust. An oven at 200C (400F) for 5 to 7 minutes on a wire rack also restores some crispness.

Dipping sauce: Keeps refrigerated for up to 5 days. The garlic flavor will intensify over time. Stir well before serving and add a fresh squeeze of lime to brighten it after storage.

Noodles: Cooked rice vermicelli does not store well. It hardens and clumps in the refrigerator. Cook fresh noodles for each serving. They take only a few minutes, so this is not burdensome. To soften leftover noodles, sprinkle with water and microwave for 60 to 90 seconds.

Aromatics: The wilted dill and onions are best eaten immediately and do not reheat well. Prepare fresh herbs for leftovers.

Marinated fish (uncooked): Can be refrigerated for up to 24 hours before frying. Can also be frozen on a parchment-lined tray in a single layer, then transferred to a zip-top bag for up to 1 month. Thaw in the refrigerator overnight before coating and frying.