Ca Kho To
Ingredients
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- 1 1/2 pounds catfish steaks (bone-in)
- 1 tablespoon neutral oil
- 2 tablespoons granulated sugar
- 1 cup coconut water
- 2 shallot – thinly sliced
- 3 cloves garlic – minced
- 3 tablespoons fish sauce
- 2 bird's eye chilies – thinly sliced
- 1/2 teaspoon ground black pepper
- 2 scallion – cut into 1-inch pieces
Instructions
1. Prep the aromatics: thinly slice the shallots, mince the garlic, slice the chilies, and cut the scallions into 1-inch pieces. Rinse the catfish steaks briefly and pat very dry.
2. Set a clay pot (tộ) or heavy saucepan over medium heat. Add the neutral oil, then sprinkle in the sugar in an even layer. Cook undisturbed until the sugar melts and turns a deep amber, 3–5 minutes; swirl gently if needed.
3. Carefully pour in the coconut water to stop the caramel (it will sputter). Stir to dissolve any hardened caramel.
4. Add the shallots, garlic, fish sauce, and chilies to the pot. Stir and bring to a steady simmer, 1–2 minutes.
5. Nestle the catfish steaks into the sauce in a single layer. Spoon some sauce over the top, reduce to a gentle simmer, cover partially, and cook for 10 minutes.
6. Uncover, turn the fish carefully, and continue simmering until the fish is just cooked through and the sauce reduces to a glossy syrup that thickly coats a spoon, 10–15 minutes.
7. Sprinkle in the black pepper and add the scallions. Simmer 1 minute to soften the scallions, then remove from heat. Let rest 2–3 minutes and serve hot with steamed rice, spooning the syrupy sauce over the fish.
Ca Kho To is a Vietnamese clay-pot braise of fish glazed in a bittersweet caramel (nuoc mau) and savory fish sauce. The sauce reduces to a lacquer that clings to tender, rich catfish steaks, perfumed with shallot, garlic, and a gentle heat from fresh chilies and black pepper. Served with steamed rice, it delivers a balance of sweet, salty, faintly bitter, and umami notes that defines the appeal of southern Vietnamese home cooking.
Originating in southern Vietnam, especially the Mekong Delta, Ca Kho To belongs to the broader family of kho dishes—slow braises or simmers in a reduced, savory-sweet sauce. The traditional vessel is the earthenware tộ, which retains steady heat and encourages gentle reduction, though a heavy metal pot is also common today. Coconut water is frequently used in the south, reflecting local abundance and lending a round, natural sweetness to the braise; over time, the dish has become a staple in eateries and home kitchens across Vietnam and the diaspora.