Korean Salted Mackerel Grill

Quick answer

Total time: 25 min
Level: Easy
Servings: 2 servings
Ingredients: 3

About this dish

Gan-godeungeo-gui is grilled salt-cured mackerel, one of the most dependable side dishes on a Korean home table.

The mackerel is sold already salted at the market, so it goes straight onto heat without any additional seasoning preparation. During the curing process, the salt draws out excess moisture and firms the flesh, which makes the fish easier to handle than fresh mackerel and far less prone to falling apart in the pan. Cooking skin-side down over medium heat for seven minutes allows the fat embedded under the skin to render slowly outward, crisping the skin until it becomes paper-thin and shatters with the first touch of a spoon. Flipping the fish for just four more minutes finishes the flesh through without drying it out. The mackerel's oily richness is substantial enough to carry a bowl of rice on its own, but a wedge of lemon on the side adds a bright acidity that cuts cleanly through the fat, and a small mound of shredded daikon provides a palate-cleansing contrast that removes any lingering fishiness from the aftertaste. Frozen gan-godeungeo should be moved to the refrigerator the night before to thaw slowly, preventing the fish from weeping water all at once when it hits the hot pan.

Ingredients

servings

IngredientAmountUnit

salted mackerel1 wholewhole

cooking oil1 tbsptbsp

lemon½ piecepiece

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Instructions

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

6 steps

1

Season

If the salted mackerel is frozen, move it to the refrigerator the night before and thaw it slowly.

Fast thawing makes the fish release too much water in the pan, which prevents the skin from crisping cleanly.
2

Season

Rinse 1 whole salted mackerel very briefly under cold water, just enough to remove excess surface salt.

Do not soak it, because the seasoning will wash out and the flesh can become watery before cooking.
3

Step

Pat the skin and belly cavity thoroughly dry with paper towels.

The surface should feel dry to the touch, which helps the fish stick less, hold its shape, and develop a cleaner crust.
4

Control

Add 1 tablespoon of cooking oil to a pan and heat it over medium heat.

Place the mackerel skin-side down; a steady sizzle tells you the pan is hot enough without scorching the skin.
5

Heat

Cook for about 7 minutes, pressing gently with a spatula so the skin stays in contact with the pan.

Wait until the fat renders out and the skin turns golden, thin, and crisp.
6

Finish

Flip the fish, lower the heat to medium-low, and cook for 4 more minutes.

When a chopstick slides easily into the thickest flesh, transfer it to a plate and serve with 0.5 lemon.

Practical Cooking Checks

The cues that matter most while cooking.

Key technique: Pre-salted mackerel firms up so it holds its shape on the grill, with skin pressed down 7 minutes to render fat into a crisp layer.
Finish cue: Wait until the fat renders out and the skin turns golden, thin, and crisp.
Avoid this: Do not soak it, because the seasoning will wash out and the flesh can become watery before cooking.
Storage and reheating: Frozen gan-godeungeo should be moved to the refrigerator the night before to thaw slowly, preventing the fish from weeping water all at once when it hits the hot pan.