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Osam-bulgogi (오삼불고기, Squid and Pork Belly Stir-Fry)

Osam-bulgogi (오삼불고기, Squid and Pork Belly Stir-Fry)

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Chewy squid and rendered pork belly under one red sauce, cooked in the right order so the pork browns, the squid stays tender, and the rice bowl gets its due.

Main Dishes
Korean
Weeknight
Comfort Food
25 min
Active Time
15 min cook40 min total
Yield4 servings

Notebook 52 has only four underlined words for this dish: pork first, squid last. That is not my severity showing off. Pork belly needs time to give up its fat and brown at the edges. Squid needs the opposite, a hot pan, a short stay, and no pity. Put them in together and the pork stays pale or the squid turns tight. Usually the squid suffers.

Osam-bulgogi is weeknight food with a drinking-table spirit, the kind of pan that lands in the center with rice, lettuce, perilla leaves, and something cool on the side. The sauce is red, yes, but it should not erase the squid. My teacher would taste the pan before reaching for more gochujang, then look at me as if the spoon itself had behaved badly. Let it taste like itself: squid, pork fat, onion, chili, sesame.

Tonight it asks for knife work and attention. Score the squid, slice the pork no thicker than 5 mm, mix the sauce before the pan gets hot, and cook in order. 손맛 is real; I measure it anyway, because a dish that moves this fast leaves no time for guessing.

Osam-bulgogi is a modern Korean name built from 오징어 (ojingeo, squid) and 삼겹살 (samgyeopsal, pork belly); the abbreviation itself tells you it belongs to restaurant and home-menu language, not old court records. It is often associated with Gangwon-do's east coast, especially Gangneung and Jumunjin, where squid comes through the market, and it spread with late twentieth-century samgyeopsal culture and red gochujang stir-fries. Its history is plain and useful: inexpensive seafood, fatty pork, and one pan set in the middle of a table.

The technique, the tradition, and the story behind every dish.

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Ingredients

skinless pork belly (samgyeopsal)

Quantity

450g

sliced 5 mm thick and cut into 5 cm pieces

cleaned squid

Quantity

400g

bodies split, inside scored, cut into 5 by 2.5 cm pieces, tentacles separated

onion

Quantity

1 medium (about 200g)

sliced 1 cm thick

napa cabbage or green cabbage

Quantity

2 cups (about 160g)

cut into 3 cm pieces

carrot

Quantity

1 small (about 80g)

cut into thin half-moons

scallions

Quantity

3

cut into 5 cm lengths, whites and greens separated

green chili (optional)

Quantity

1

sliced on the diagonal

perilla leaves (kkaennip) (optional)

Quantity

8

torn

gochujang (Korean chili paste)

Quantity

3 tablespoons

gochugaru (Korean chili flakes)

Quantity

1 1/2 tablespoons

soy sauce

Quantity

2 tablespoons

maesil-cheong (Korean green plum syrup) or rice syrup

Quantity

1 tablespoon

mirin or rice wine

Quantity

1 tablespoon

sugar

Quantity

2 teaspoons

garlic

Quantity

1 tablespoon, about 3 cloves

minced

ginger

Quantity

1 teaspoon

grated

freshly ground black pepper

Quantity

1/4 teaspoon

water

Quantity

2 tablespoons

toasted sesame oil

Quantity

2 teaspoons

toasted sesame seeds

Quantity

1 teaspoon

cooked short-grain rice, lettuce leaves, and extra perilla leaves (optional)

Quantity

to serve

Equipment Needed

  • 30 cm wide skillet, cast-iron pan, or Korean tabletop griddle
  • Sharp knife for scoring squid
  • Large mixing bowl
  • Tongs or long cooking chopsticks
  • Spoon for removing excess pork fat

Instructions

  1. 1

    Cut the squid

    Pat the squid very dry. Lay each body inside-up and score shallow diagonal lines about 5 mm apart, then score the other direction to make a diamond pattern without cutting through. Cut the bodies into 5 by 2.5 cm pieces and separate the tentacles into small clusters. The scoring is not decoration; it makes the squid curl evenly, cook quickly, and hold the sauce instead of sliding around the pan.

    If you buy whole squid, remove the quill, beak, ink sac, and guts, then rinse quickly and dry well. Do not soak it. Water is the enemy of this stir-fry.
  2. 2

    Mix the sauce

    Stir together the gochujang, gochugaru, soy sauce, maesil-cheong or rice syrup, mirin, sugar, garlic, ginger, black pepper, and water. Taste it before it touches the pan. It should be salty, warm with chili, and only lightly sweet. Gochujang already carries sweetness, so the two teaspoons of sugar are enough.

  3. 3

    Render the pork

    Lay the pork belly in a wide cold skillet or tabletop griddle, then set it over medium-high heat. Cook 5 to 7 minutes, turning once or twice, until the fat renders, the edges brown, and no raw pink remains. Spoon off excess fat, leaving about 2 tablespoons in the pan. More than that makes the sauce greasy; less than that and the gochujang catches before it can gloss the meat.

  4. 4

    Fry the vegetables

    Add the onion, cabbage, carrot, and scallion whites to the pork. Stir-fry 2 minutes, just until the onion begins to bend and the cabbage edges soften. These vegetables go in before the sauce because they need direct contact with the pork fat, and because their sweetness will loosen what browned on the pan.

  5. 5

    Cook the sauce

    Pour in the sauce and stir hard for 1 minute, scraping the pan so the sauce darkens and clings to the pork and vegetables. This short frying wakes up the gochujang and takes away the raw paste taste. If the pan looks dry before the squid goes in, add 1 tablespoon water, not more.

  6. 6

    Add squid last

    Raise the heat to high. Add the squid, green chili, and scallion greens, then toss constantly for 90 seconds to 2 minutes. Stop when the squid turns opaque, the scored pieces curl, and the tentacles firm up. Pork can wait for you. Squid cannot. Cook it past this point and it tightens into rubber.

    If the squid releases too much liquid, lift the pork and squid onto the serving plate, boil the sauce alone for 30 to 60 seconds until it thickens, then pour it over. Do not punish the squid for the sauce's sake.
  7. 7

    Finish and serve

    Turn off the heat. Drizzle with the sesame oil, scatter over the sesame seeds, and fold in the torn perilla leaves if using. Serve at once with rice, lettuce, and extra perilla leaves for wrapping. The bottom of the pan should have a spoonable red sauce, not a soup. That last spoonful over rice is part of the dish.

Chef Tips

  • Buy squid that smells clean and faintly of the sea, never sharp or ammoniac. Frozen cleaned squid is an honest weeknight shortcut if you thaw it overnight in the refrigerator and dry it well.
  • Ask for pork belly sliced about 5 mm thick. Thinner shabu-shabu slices overcook before they brown, and thick barbecue slabs make the squid wait. If you have a slab, freeze it 25 minutes before slicing so the knife can do proper work.
  • Do not turn this into a gochujang contest. Three tablespoons are enough for 850g of pork and squid because the sauce should carry both ingredients, not bury them.
  • The safe shortcut is buying cleaned squid and pre-sliced pork belly. The unsafe shortcut is throwing squid and pork into the pan together. The order is the recipe.
  • Leftovers keep 2 days in the refrigerator, but the squid will firm when reheated. Warm leftovers quickly in a skillet with 1 tablespoon water and eat them over rice rather than trying to make them new again.

Advance Preparation

  • The sauce can be mixed up to 3 days ahead and refrigerated. Stir it before using because the gochugaru thickens as it sits.
  • The squid can be cleaned, scored, cut, and kept covered in the refrigerator for up to 8 hours. Keep it dry and unsauced until cooking, because salt draws out water.
  • The pork can be sliced 1 day ahead and kept cold. Vegetables can be cut the morning of cooking, but keep scallion greens and perilla leaves separate so they stay fresh.

Frequently Asked Questions

Nutrition Information

1 serving (about 470g)

Calories
935 calories
Total Fat
56 g
Saturated Fat
19 g
Trans Fat
0 g
Unsaturated Fat
36 g
Cholesterol
315 mg
Sodium
1050 mg
Total Carbohydrates
73 g
Dietary Fiber
5 g
Sugars
15 g
Protein
34 g

Note: Chef personas and recipes are created with AI assistance. Cook with care: follow safe food-handling practices, check doneness with a thermometer when needed, and adapt for allergies and your kitchen.

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