Cá Kho Tộ (Vietnamese Caramelized Braised Fish in Clay Pot)

Quick answer

Total time: 50 min
Level: Medium
Servings: 4 servings
Ingredients: 8

About this dish

Ca kho to is a southern Vietnamese home-style braised fish dish made with catfish or white fish simmered in a sauce of caramelized sugar, fish sauce, and coconut water.

The process begins by cooking sugar until it reaches a deep amber caramel, which coats the fish in a rich, dark glaze and forms the flavor backbone of the whole dish. Fish sauce adds a sharp, concentrated saltiness and umami that defines the sauce's character. Shallots and garlic build the aromatic base, while black pepper leaves a warm, spicy finish that cuts through the richness of the caramel. Coconut water lightens and perfumes the braising liquid with a mild tropical sweetness distinct from plain sugar. Covering the pot and simmering over low heat allows the fish to absorb the seasoning deeply and the sauce to reduce to a glossy, lacquer-like coating. Unlike Korean braised fish, which often centers on chili heat, this dish balances caramel and black pepper as its primary flavors and is traditionally served over plain steamed rice.

Ingredients

servings

IngredientAmountUnit

catfish or white fish800 gg

fish sauce3 tbsptbsp

sugar2 tbsptbsp

minced garlic1 tbsptbsp

shallot2 eaea

black pepper1 tsptsp

coconut water250 mlml

cooking oil1 tbsptbsp

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Instructions

Read the steps as a cooking flow: prep, heat, seasoning, doneness control, and finish.

6 steps

1

Season

Cut 800 g catfish or white fish into sturdy 3-4 cm pieces so they do not break apart during braising.

Coat with 1 tablespoon fish sauce and 1 teaspoon black pepper, then let it season for 15 minutes.
2

Control

Put 2 tablespoons sugar and 1 tablespoon cooking oil in a clay pot or heavy pot.

Heat over low heat for 3-5 minutes without stirring, swirling only when the edges turn deep amber, and stop before it smells bitter.
3

Control

When the caramel color is even, add 2 shallots and 1 tablespoon minced garlic.

Stir over medium heat for about 2 minutes until fragrant, then lay the fish in a single layer so the pieces cook evenly.
4

Control

Pour the remaining 2 tablespoons fish sauce and 250 ml coconut water around the edge of the pot, not directly over the fish.

Once it starts bubbling, reduce to low heat, cover, and braise for 15 minutes.
5

Control

Spoon the sauce over the fish and turn each piece only once to avoid breaking it.

Cover again and braise for 8-10 more minutes, then check that the thickest piece has reached 63°C at the center.
6

Finish

Uncover and simmer over low heat for 2-3 minutes so the sauce thickens into a glossy coating.

Turn off the heat before the caramel darkens further or tastes bitter, then serve the fish over plain steamed rice.

Practical Cooking Checks

The cues that matter most while cooking.

Key technique: Two tablespoons of sugar cook with oil to a deep amber base before the aromatics go in
Finish cue: Uncover and simmer over low heat for 2-3 minutes so the sauce thickens into a glossy coating.
Avoid this: A clay or heavy pot retains heat after the burner is lowered, so reduce to the lowest heat if the braising liquid keeps boiling hard.