Name: Spicy Lightly Salted Oysters
Prep time: 30 min
Cook time: 3 min
Total time: 33 min
Yield: 25 servings
Cuisine: Korean
Ingredients: 500 g Fresh shucked oysters, sold for raw consumption; 1 L Cold water; 35 g Coarse sea salt (cheonilyeom), non-iodized; 1 tbsp Glutinous rice flour; 80 ml Water; 3 tbsp Gochugaru (Korean chili flakes); 3 cloves Garlic; 1 tsp Ginger; 50 g Korean pear; 1 stalk Green onion; 1 tsp Sugar

Recipe

Ingredients · Serves 25

500 gFresh shucked oysters, sold for raw consumptionsmall oysters are traditional
1 LCold waterwith 1 tbsp salt, for rinsing
35 gCoarse sea salt (cheonilyeom), non-iodizedabout 7% of the oyster weight
1 tbspGlutinous rice flouror wheat flour
80 mlWaterfor the paste
3 tbspGochugaru (Korean chili flakes)
3 clovesGarlicminced
1 tspGingerfinely slivered
50 gKorean pearfinely slivered; optional
1 stalkGreen onionfinely sliced
1 tspSugaroptional

Method

Technique: Making Jeotgal

Step 1: Pick over the oysters for bits of shell. Rinse them by swishing gently in the salted water rather than under plain running water (traditional makers wash oysters in seawater, which keeps them plump), changing the water once. Drain in a colander for 15 minutes.
Step 2: Toss the oysters gently with the coarse salt in a glass or ceramic container. Cover and refrigerate (4°C or below) for 3–4 days; the oysters will firm up and release a clear liquid.
Step 3: Meanwhile, whisk the rice flour into the water and cook over low heat for 2–3 minutes until thin and glossy. Cool completely, then stir in the gochugaru and let it soak for 1–2 hours so the chili swells and turns deep red.
Step 4: Pour off most of the liquid from the oysters. Fold in the chili paste, garlic, ginger, pear, green onion and sugar with a spoon, handling the oysters gently so they stay whole.
Step 5: Pack into a clean jar, press out air, seal and refrigerate for another 5–7 days, until the flavor is rounded and savory.
Step 6: Serve a spoonful at a time with rice. Keep refrigerated, use clean utensils, and eat within about 2 weeks. Discard if it smells sour or off, turns slimy or shows mold.

Origin & History

Eoriguljeot is oyster jeotgal made with only a little salt and seasoned with chili. The Encyclopedia of Korean Folk Culture explains the name: the prefix eol- carries a sense of "not quite" or "half-done," and eolgan means a light salting, so eori-jeot is lightly salted jeotgal and eoriguljeot is lightly salted oysters. Because the salt is low, it does not keep for long and is eaten as soon as it ripens — unlike plain guljeot, which is salted heavily and cured for months. What sets it apart from other oyster jeotgal, the Encyclopedia of Korean Culture notes, is the chili.

Seosan in South Chungcheong, and above all the tidal island of Ganwoldo, are its best-known homes. Ganwoldo oysters are small and dark, with fine frilled edges that take up the seasoning, and local eoriguljeot is said to have been sent to the court as tribute. A popular story credits the monk Muhak with presenting it to King Taejo from the hermitage on the island, but the folk encyclopedia points out that this is oral tradition not found in Joseon records. In 1986 Ganwoldo eoriguljeot was one of eight regional specialties chosen when Korea's postal service launched mail-order sales of local products.

It was traditionally made in winter, when oysters are at their best, and eaten into spring. Today it is made all over the country and served both with rice and as a drinking snack.

Key Ingredients

Nutrition

per serving (about 20 g)
Calories	18 kcal
Protein	1.7 g
Fat	0.5 g
Carbohydrates	1.6 g
Fiber	Not reported
Sodium	475 mg

Notable forIron · Calcium

From the Korean Food Composition Table entry “Pacific oyster, Seasoned, Salt-fermented” (굴, 참굴, 양념젓갈(어리굴젓); per 100 g: 91 kcal, 8.6 g protein, 2,374 mg sodium, 8.8 mg iron, 196 mg calcium; fiber not reported), scaled to the serving size. Actual values vary with ingredients, portion size and preparation.

Health Benefits

Iron and minerals: oysters are mineral-rich; in the composition table a 20 g serving of eoriguljeot supplies about 1.8 mg of iron and 39 mg of calcium.
Traditional regard: Ganwoldo eoriguljeot has a local reputation as nourishing and good for coughs — a traditional belief rather than an established health effect.
Low in calories: a serving has under 20 kcal; the main nutritional caution is salt.

Considerations

Raw oysters (Vibrio and norovirus): eoriguljeot is made from raw oysters and is not cooked. The CDC notes that most Vibrio infections come from eating raw or undercooked shellfish, especially oysters, and that oysters grown in contaminated water can carry norovirus. A contaminated oyster looks, smells and tastes normal, and the CDC is explicit that hot sauce and lemon juice do not kill Vibrio — so neither chili nor this light salting should be relied on to make raw oysters safe.
Who should avoid it: the FDA advises pregnant people, young children, older adults and anyone with a weakened immune system to avoid raw shellfish; the CDC adds people with liver disease, diabetes, cancer or other conditions that raise the risk of severe vibriosis. These groups can enjoy oysters cooked instead.
Keep it cold, keep it short: use very fresh oysters from a reputable seller, ripen and store it in the refrigerator rather than at room temperature, and eat it within a couple of weeks.
Very high in sodium: about 2,374 mg per 100 g in the composition table, or roughly 475 mg in a 20 g serving.
Allergens: contains shellfish (mollusks).

Informational, not medical advice. Talk to a qualified professional about your own health and diet.

Regional Variations

Ganwoldo (Seosan): oysters washed in seawater and salted, then mixed with chili that has been soaked in thin flour paste or cooled rice-rinsing water, and left to ripen for about ten days.
Seosan: older recipes worked cooked foxtail millet into the chili seasoning, a practice now less common.
Yesan: adds sugar, anchovy fish sauce and slivered pear, ginger and green onion.
Dangjin: a quick style, ready to eat in three or four days.
Court style: a 1976 Korean cooking encyclopedia contrasts the Chungcheong version, seasoned with salt and chili only, with a palace version that adds green onion, garlic, radish, pear, chestnut and sugar.

Pairings

Sources

Last updated October 13, 2026