Korea · East Asia

Korean Potato Recipes: Soy-Braised Gamja Jorim

Updated November 3, 2026

Total time
40 min
prep 15 min · cook 25 min
Serves
4
portions as written
Cuisine
Korea
East Asia

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Korean Potato Recipes: Soy-Braised Gamja Jorim

Gamja jorim is a Korean side dish of potato pieces braised until tender in a savory-sweet soy sauce glaze. It is simple to make with pantry ingredients, and the potatoes turn glossy and flavorful as the sauce reduces; serve them warm or at room temperature with rice and other banchan.

Ingredients

  • 1½ lb potatoes (680 g), preferably Yukon Gold or another waxy potato
  • 1 tablespoon neutral oil (15 ml), such as canola or vegetable oil
  • 2 garlic cloves, finely minced (about 6 g)
  • ½ cup water (120 ml)
  • 3 tablespoons soy sauce (45 ml)
  • 1 tablespoon granulated sugar (12 g)
  • 1 tablespoon honey or corn syrup (21 g honey or 20 g corn syrup)
  • 1 teaspoon toasted sesame oil (5 ml)
  • 2 tablespoons thinly sliced green onion (about 6 g)
  • 1 teaspoon toasted sesame seeds (3 g)
  • ⅛ teaspoon ground black pepper (about 0.3 g)

Instructions

  1. Scrub the potatoes and peel them if you like; leaving the skins on is fine if they are clean and unblemished. Cut them into roughly 1-inch (2.5 cm) pieces so they cook at a similar rate. If a potato is especially large, halve it lengthwise before cutting. Mince the garlic, slice the green onion, and measure the sauce ingredients. Keeping the pieces a similar size matters more than making every cut perfectly uniform.

  2. Rinse the cut potatoes in a colander under cold water, turning them gently with your hand, then drain well and pat them dry. This brief rinse removes loose surface starch, helping the pieces stay distinct rather than sticking together. Do not soak them for a long time: excess water would dilute the braising sauce and add unnecessary waiting.

  3. Set a wide skillet or shallow saucepan over medium heat and add the neutral oil. When the oil is warm, add the potatoes and cook for 4 minutes, stirring or turning them every minute or so. They do not need to brown deeply; this short step coats the pieces in oil and gives their edges a little protection as they braise. Add the garlic for the final 30 seconds and stir constantly so it becomes fragrant without scorching.

  4. Pour in the water, soy sauce, sugar, and black pepper. Stir carefully to distribute the liquid, then bring it to a gentle boil. Cover the pan, lower the heat to medium-low, and simmer for 13 minutes. Keep the liquid bubbling gently rather than boiling hard, which can break up the outside of the potatoes before the centers are cooked. If the pan looks dry before the potatoes are tender, add water 1 tablespoon (15 ml) at a time.

  5. Uncover the pan and test a large potato piece with the tip of a small knife. It should be tender through the center but still hold its shape. If it is firm, cover again and cook for another 2 to 3 minutes, checking once more. When tender, simmer uncovered for about 8 minutes, turning the potatoes gently every minute or two. The sauce should reduce to a shiny glaze that clings to the pieces; lower the heat if it thickens too quickly. The stated cook time is 25 minutes, with a little extra time possible for larger pieces or a less powerful burner.

  6. Turn off the heat and fold in the honey and sesame oil. Adding these at the end keeps their flavor clear and helps the glaze finish smoothly. Taste a potato with a little sauce and adjust with a small splash of soy sauce if it needs more savoriness, or a teaspoon of water if the glaze is too salty or sticky. Transfer to a serving dish and finish with green onion and toasted sesame seeds. Serve warm, or let the dish cool to room temperature before serving.

Tips

  • Choose potatoes that hold their shape. Yukon Gold potatoes are a convenient choice because they become creamy inside while keeping their edges intact. Small red potatoes also work. Russets have more starch and can turn fluffy or fall apart during braising, so cut them a little larger and handle them gently if that is what you have.

  • Keep the simmer gentle. A hard boil can make the outside of the potato pieces break down before the centers soften. Use a snug lid during the covered stage, but leave the pan uncovered for the final reduction so the sauce can thicken. Turn the potatoes with a spoon rather than stirring vigorously.

  • Adjust sweetness to taste. Gamja jorim is commonly made with a sweet-savory balance, but household versions vary. Start with the listed sugar and honey, then taste the glaze at the end. For a less sweet result, use 2 teaspoons of sugar instead of 1 tablespoon and leave out the honey; the sauce will be less glossy and have a more direct soy flavor.

  • Use a practical soy sauce substitute if needed. For a gluten-free version, replace regular soy sauce with an equal amount of certified gluten-free tamari. It can taste a little richer and less sharp, so taste before adding any extra. Coconut aminos are another option, but they are usually sweeter and less salty; reduce the sugar and expect a milder, different-tasting glaze.

Serving Suggestions

Serve gamja jorim as a banchan, or small side dish, alongside steamed short-grain rice and a main dish such as grilled tofu, pan-fried fish, or bulgogi. It fits naturally into a Korean-style meal with several small sides, but there is no need to prepare an elaborate spread: rice, a simple protein, and these potatoes make a satisfying plate. The sweet-savory glaze is especially welcome with plain rice, which balances its concentrated flavor.

For a weeknight meal, pair the potatoes with sautéed greens or cucumber salad and a bowl of soup. If serving them as part of a larger meal, place them in a small shared dish and provide a spoon for any remaining glaze. They are also good at room temperature, so they can be made shortly before other dishes are ready and do not have to arrive piping hot. Because the sauce is flavorful, taste the other sides before salting them heavily.

Variations

There are many household versions of gamja jorim. Some cooks use more sugar for a distinctly sweet glaze, while others keep the sauce saltier and add a little more garlic. This recipe takes a balanced, approachable route rather than claiming to represent the only traditional method. For a lightly spicy version, add ½ teaspoon (about 1 g) gochugaru, Korean red pepper flakes, to the sauce. The result is gently warm rather than intensely hot; add more only if you know you enjoy the heat.

For a deeper, slightly smoky flavor, replace half the water with mild vegetable broth. Choose an unsalted broth if possible so the soy sauce remains in balance. You can also add ½ cup (75 g) thinly sliced onion with the potatoes, understanding that it will soften and make the finished sauce sweeter. If using small baby potatoes, halve them rather than cutting them into cubes, and begin checking tenderness after 13 minutes of covered simmering because their size can change the cooking time.

To make the dish less sweet, reduce the sugar as described in the tips and omit the honey. To make a vegan version, use sugar or corn syrup rather than honey; the rest of the listed ingredients are plant-based, though it is sensible to check the label on your soy sauce and any broth. For a nutty finish without sesame, omit the sesame oil and seeds and use a little extra green onion. The aroma will be less toasted, but the potatoes will still have the characteristic soy-based glaze.

Storage and Reheating

Cool the potatoes and refrigerate them within 2 hours of cooking, in a covered container. They keep for 3 to 4 days in the refrigerator. The glaze may become thicker and more concentrated as it chills, and the potatoes will absorb some of it, so a small splash of water is useful when reheating. Do not leave the dish at room temperature for extended storage.

For the stovetop, place the portion you want in a small pan with 1 to 2 tablespoons (15 to 30 ml) water. Cover and warm over low to medium-low heat, turning the pieces gently until hot throughout; uncover briefly if you want to reduce excess liquid. You can also microwave a serving in a covered, microwave-safe dish, stirring halfway through. Reheat leftovers to 165°F (74°C), checking the center of the portion with a food thermometer. Reheat only the amount you plan to eat, rather than repeatedly warming the full container. Freezing is possible, but the potato texture may become softer and grainier after thawing.

Frequently Asked Questions

Do I need to peel the potatoes?

No. Scrubbed potatoes with thin, clean skins can be left unpeeled, and the skins help the pieces keep their shape. Peel them if the skins are thick, damaged, or simply not to your preference. Whichever you choose, cut the pieces to a similar size so they finish cooking together.

Why are my potatoes still firm after the listed cooking time?

Potato size, variety, pan width, and burner strength all affect how quickly the centers soften. Cut pieces close to 1 inch (2.5 cm), keep the covered simmer gentle, and test a larger piece before reducing the sauce. If the center is still firm, cover the pan and simmer for 2 to 3 more minutes, adding a spoonful of water if the pan is nearly dry.

Can I make gamja jorim ahead?

Yes. Make it earlier the same day or up to 3 to 4 days ahead and refrigerate it promptly in a covered container. The potatoes absorb some sauce as they sit, so reheat gently with a splash of water and taste before serving. Add the green onion and sesame seeds just before serving for the freshest appearance and texture.

Can I use a different kind of potato?

Yes, although the texture will vary. Yukon Gold and red potatoes are reliable because they tend to hold their shape. Russets can be used, but they are more likely to soften and break apart; cut them into larger chunks and turn them carefully. Small potatoes should be halved or quartered according to size, then checked early for tenderness.

What can I use instead of honey?

Use an equal amount of light corn syrup for a similar glossy finish, or use 2 teaspoons (8 g) additional sugar and a teaspoon of water. Corn syrup has a more neutral flavor, while extra sugar can make the glaze slightly less supple. Honey is not essential to the dish, so it is easy to leave it out or choose the option that suits your pantry.

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