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Gamja-jorim (Soy-Braised Potatoes)

Gamja-jorim (Soy-Braised Potatoes)

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A weeknight banchan of potato cubes braised in soy until glossy and tender, sweet only at the edges, with the starch rinsed away so every piece keeps its shape.

Side Dishes
Korean
Weeknight
Meal Prep
Budget Friendly
15 min
Active Time
20 min cook35 min total
Yield4 servings as banchan

Gamja-jorim lives or dies before the pan gets hot. Cut the potatoes evenly, rinse away the loose starch, and dry them well. Skip that and the cubes rub against each other until the sauce turns cloudy and the edges collapse. This is a small dish, but small dishes show careless hands quickly.

Every Korean child knows this banchan from the table or the lunchbox: a few glossy potato cubes beside rice, kimchi, and egg, sweet enough to please a tired person but not so sweet the potato disappears. The sauce is soy sauce, water, garlic, and just enough syrup at the end to shine. Add it too early and it burns before the potato is tender. Add it late and it clings where it should.

Notebook 42 says 450 grams of potato, cut into 2-centimeter cubes, takes 12 to 14 minutes after the sauce goes in. That sounds fussy until you try to feed people on a Tuesday night and want the dish to come out the same as last time. 손맛 is real. I still measure it, so it can be handed on.

Potatoes entered Korea in the early nineteenth century, first taking hold in colder northern and mountain regions where rice was harder to grow, including areas that later became closely associated with potato cooking such as Gangwon. Gamja-jorim is not a court dish; it belongs to the modern home table and dosirak lunchbox, where soy-braised pantry vegetables became practical, inexpensive banchan that kept well for several days.

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

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Ingredients

waxy or all-purpose potatoes

Quantity

450g

peeled and cut into 2-centimeter cubes

cold water

Quantity

2 cups

for rinsing and soaking

neutral oil

Quantity

1 tablespoon

soy sauce

Quantity

3 tablespoons

mirin or rice wine

Quantity

1 tablespoon

sugar

Quantity

1 tablespoon

water

Quantity

1/2 cup

garlic

Quantity

2 cloves

minced

carrot (optional)

Quantity

1 small

cut into 1.5-centimeter chunks

green chili (optional)

Quantity

1

sliced on the diagonal

rice syrup, corn syrup, or oligo syrup

Quantity

1 tablespoon

toasted sesame oil

Quantity

1 teaspoon

toasted sesame seeds

Quantity

1 teaspoon

scallion (optional)

Quantity

1

thinly sliced

Equipment Needed

  • Wide 10-inch skillet or shallow braising pan with lid
  • Colander
  • Flexible spatula or large spoon

Instructions

  1. 1

    Cut and rinse

    Cut the potatoes into even 2-centimeter cubes. Rinse them in cold water, then soak 10 minutes and drain well. This removes surface starch so the pieces stay distinct instead of turning the sauce cloudy and pasty.

    Dry the potatoes after draining. Wet potatoes sputter in oil and do not take the first light coating that helps their edges hold.
  2. 2

    Start the potatoes

    Heat the oil in a wide skillet or shallow pot over medium heat. Add the drained potatoes and carrot, if using, and cook 4 to 5 minutes, stirring often, until the potato edges turn a little translucent. You are not browning them hard; you are setting the surface before the braise.

  3. 3

    Add the braising sauce

    Stir in the soy sauce, mirin, sugar, 1/2 cup water, and minced garlic. Bring it to a steady simmer, then lower the heat to medium-low and cover the pan for 8 minutes. The lid gives the potato time to cook through before the sauce reduces.

  4. 4

    Reduce uncovered

    Uncover and simmer 4 to 6 minutes more, shaking the pan and turning the potatoes gently with a spoon. Stop stirring roughly. The potatoes should be tender when pierced but still squared at the corners, and the liquid should be reduced to a few glossy spoonfuls.

  5. 5

    Glaze at the end

    Add the rice syrup and green chili, if using, and cook 1 to 2 minutes, turning the potatoes until the glaze clings. The syrup goes in late because it shines the sauce without burning before the potatoes are done.

  6. 6

    Finish off heat

    Turn off the heat and fold in the sesame oil, sesame seeds, and scallion. Taste one piece. It should be savory first, gently sweet second, with the potato still tasting like potato. Serve warm, room temperature, or cold from the refrigerator with rice.

Chef Tips

  • Choose waxy or all-purpose potatoes, not very floury baking potatoes. Floury potatoes taste good but break down faster, and gamja-jorim should have clean little cubes, not mashed edges.
  • Do not make the sauce too sweet. One tablespoon sugar and one tablespoon syrup are enough for 450 grams of potatoes. The syrup is for gloss and cling, not for turning a banchan into candy.
  • A wide skillet is better than a narrow pot because the sauce reduces evenly. If the potatoes are piled deep, the bottom pieces overcook before the top ones are seasoned.
  • This is a good meal-prep banchan. Cool it fully, refrigerate it in a covered container, and eat within 4 days. The glaze thickens when cold, so let it sit 10 minutes at room temperature before serving if you want the shine back.

Advance Preparation

  • The potatoes can be peeled, cubed, and held in cold water up to 4 hours ahead. Drain and dry them before cooking, or the pan will cool down too much.
  • Gamja-jorim keeps well for 3 to 4 days in the refrigerator. It is meant to be eaten as banchan, so it does not need reheating, though you can warm it gently in a covered pan with 1 tablespoon water.

Frequently Asked Questions

Nutrition Information

1 serving (about 160g)

Calories
185 calories
Total Fat
5 g
Saturated Fat
1 g
Trans Fat
0 g
Unsaturated Fat
4 g
Cholesterol
0 mg
Sodium
700 mg
Total Carbohydrates
31 g
Dietary Fiber
3 g
Sugars
9 g
Protein
4 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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