Korean Spicy Stir-Fried Squid
Pork Belly (Osam Bulgogi)

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This restaurant-style Osam Bulgogi features tender blanched squid and caramelized pork belly tossed in a glossy, sweet, and spicy gochujang glaze. It is the ultimate rice-killer dish.

↓ The ingredients ↓ The steps

O-sam Bulgogi is a beloved Korean classic that marries land and sea. The name itself is a portmanteau of ojingeo (squid) and samgyeopsal (pork belly). Fast, fiery, and deeply savory, this dish is traditionally enjoyed at local pubs and diners alongside generous bowls of steamed rice or crisp lettuce wraps.

Spicy stir-fried squid and pork belly coated in a glossy, vibrant red chili sauce, garnished with scallions.
Spicy stir-fried squid and pork belly coated in a glossy, vibrant red chili sauce, garnished with scallions.
Prep20 mins
Cook15 mins
Total35 mins
Yield2–3 servings
DifficultyMedium
Calories650 kcal

Ingredients

Instructions

  1. 1Cut the Pork Belly
    A chefs knife cutting skinless pork belly into thin slices on a wooden cutting board.

    Take the skinless pork belly and place it on a wooden cutting board. Use a sharp chefs knife to slice the pork belly into thin, even pieces.

    Tip: Slicing the pork belly while it is slightly chilled makes it much easier to cut into uniform thin pieces.
  2. 2Blanch the Squid
    A whole squid being lowered into a pan of boiling water to blanch for 30 seconds.

    Bring a pan of water to a rolling boil. Submerge the squid into the boiling water for 30 seconds to lightly cook and firm up the outer flesh, then remove it promptly.

    Tip: Keep a close eye on the timer; blanching for more than 30 seconds can make the squid rubbery.
  3. 3Slice the Blanched Squid
    The blanched squid being sliced into long, finger-wide strips on a wooden cutting board.

    After removing the squid from the boiling water, transfer it to a wooden cutting board. Cut the squid lengthwise into strips that are about the width of a finger.

    Tip: Ensure your knife is sharp to make clean cuts through the tender blanched squid without tearing it.
  4. 4Measure Sauce Ingredients
    Light soy sauce being poured from a spoon into a glass measuring cup on a wooden surface.

    Pour 3 tablespoons of light soy sauce into a clear glass measuring cup to start building the flavor base for the stir-fry sauce.

    Tip: Use a clear measuring cup to easily check your measurements as you add each component.
  5. 5Mix the Sauce
    A measuring cup containing chili powder and paste being mixed thoroughly with a spoon.

    Add 1 tablespoon oyster sauce, 1 teaspoon black pepper, 1 teaspoon white sugar, 1 teaspoon beef powder, 1 tablespoon coarse and fine chili powder, and 1 tablespoon Korean hot pepper paste to the soy sauce in the measuring cup. Stir the mixture thoroughly until well combined and set aside.

    Tip: Make sure the Korean hot pepper paste is fully dissolved and incorporated into the chili powders and liquids for an even flavor.
  6. 6Arrange Pork Belly in Pan
    An empty heated non-stick pan on a stovetop ready for cooking pork belly slices.

    Heat a pan over medium heat and place the sliced pork belly pieces flat into the dry pan, ensuring they are spread out in a single layer to cook evenly.

    Tip: Do not add extra oil to the pan since the pork belly will render its own fat as it cooks.
  7. 7Crisp the Pork Belly
    Thin slices of pork belly cooking in a pan over medium heat using chopsticks.

    Continue to pan-fry the slices over medium heat until both sides turn a rich golden brown and have fully rendered their fat. Remove the pork from the pan and set it aside.

    Tip: Cook over medium heat to render the fat slowly without burning the exterior too quickly.
  8. 8Sauté the Onions
    Sliced onions being stir-fried in the pan using chopsticks amidst rendered pork fat.

    After removing the cooked pork belly, keep the pan unwashed to retain the flavorful rendered fat. Add the sliced onions directly into the pan and stir-fry them until fragrant and softened.

    Tip: Leaving the pork fat in the pan adds incredible depth of flavor to the vegetables.
  9. 9Add Aromatics and Chilies
    A small metal bowl pouring green and red chili slices and scallions into the pan with onions.

    Pour green and red chili pepper slices, scallions, and 2 tablespoons of minced garlic into the pan along with the onions, and stir-fry until fragrant.

    Tip: Add the minced garlic carefully so it does not burn immediately in the hot pan.
  10. 10Combine Squid and Pork Belly
    A white plate adding blanched squid pieces into the pan filled with cooked pork belly and aromatics.

    Transfer the pre-blanched squid and the previously cooked pork belly back into the pan containing the sautéed aromatics and onions.

    Tip: Ensure the squid was blanched for only 30 seconds beforehand so it stays tender and chewy.
  11. 11Pour in the Sauce
    A pan containing squid, pork belly, onions, and chili peppers ready for the sauce to be tossed.

    Pour the prepared sauce mixture directly over the squid, pork belly, and vegetables in the pan. Stir-fry over high heat until the sauce coats all the ingredients evenly.

    Tip: Stir-fry quickly over high heat at the end to lock in moisture and evenly distribute the sweet and spicy glaze.
  12. 12Toss and Glaze
    Squid and pork belly being stir-fried in a wok with vegetables and rich red sauce.

    Stir-fry everything together over high heat until the rich red sauce thickens slightly, evenly coating all the ingredients in a vibrant, glossy glaze.

    Tip: Keep the heat on high to ensure the sauce thickens and clings to the ingredients without making them watery.

Storage & Reheating

Refrigerator
3 days
Store in an airtight container. The sauce will thicken as it cools.
Reheating
3–5 min
Reheat gently in a pan over medium-low heat. Add a splash of water if the sauce becomes too thick.

Burn It Off

Running
~65 minutes at a vigorous pace (~10 km/h).
Badminton
~1 hour 20 minutes of high-energy court play.
Brisk Walking
~2 hours 10 minutes at a steady pace (~6 km/h).

Frequently Asked Questions

A watery stir-fry happens if the squid wasnt blanched first, or if the heat wasnt high enough during the final toss. Always cook the final step over high heat to quickly reduce and glaze the sauce.
Yes, frozen squid works perfectly. Thaw it completely in the refrigerator overnight and pat it very dry with paper towels before blanching.
If you dont have Korean beef powder (dasida), you can substitute chicken bouillon powder, mushroom powder, or a pinch of MSG for a similar umami boost.
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