Ingredients
Corn Noodle (Oksusu Guksu)

Grains & Rice

Corn Noodle (Oksusu Guksu)

Chewy Korean noodles made from corn flour, often served in cold or summer dishes.

Corn noodles, known in Korea as oksusu guksu, are made primarily from corn flour, giving them a slightly sweet flavor and pale yellow color. They are naturally gluten-free or low-gluten and have a chewy, slippery texture. Common in Korean summer dishes, they are served chilled in broth or with vegetables.

Corn Noodle (Oksusu Guksu, 옥수수국수) is a traditional Korean noodle made primarily from corn flour, sometimes blended with a small amount of wheat flour for added elasticity. Unlike many Asian noodles that rely on wheat or rice as a base, Oksusu Guksu celebrates the natural sweetness and golden color of corn, resulting in a distinctive chewy texture with a subtle grittiness that sets it apart from smoother rice or glass noodles. The noodles are typically cut to a medium thickness—thinner than wheat udon but thicker than vermicelli—that balances structural integrity with a tender bite. In Korea, these noodles are a summer staple, prized for their light, refreshing quality and their ability to carry bold sesame and gochujang-based sauces without becoming soggy.

The natural corn sweetness makes them surprisingly forgiving in sauce balancing—over- or under-application of sweet-salty dressings that would ruin wheat noodles does not ruin corn noodles. Fresh Oksusu Guksu, found in Korean grocery stores refrigerated or loosely packed, delivers noticeably superior flavor and texture compared to dried versions, which tend toward a denser, less vibrant chew. Corn noodles do not absorb liquid as readily as wheat noodles, so they require a different saucing technique—tossing 2–3 times during application rather than relying on absorption. Their slight grittiness pairs best with smooth, rich sauces where the textural contrast creates a pleasing mouthfeel.

Oksusu Guksu are distinct from other Asian corn noodles in that Korean versions typically use a higher proportion of corn flour and are cut to a specific medium thickness that balances chew with tenderness.

Measured in
g
Storage
Pantry

Types & varieties

Fresh Oksusu Guksu

Refrigerated or loosely packed; best texture and corn flavor; found in Korean grocery stores

Dried Oksusu Guksu

Longer shelf life; slightly denser texture after cooking; common in export markets

Thin corn noodles

Delicate, similar to vermicelli; cooks faster; used in light broth soups

Medium-thick corn noodles

Most common; substantial chew; ideal for cold sesame preparations

Why Corn Noodles Behave Differently

Corn noodles react differently to heat, sauce, and storage than their wheat or rice counterparts. Understanding these differences prevents the most common mistakes home cooks make.

  • Corn protein does not form gluten, so noodles cannot be stretched or kneaded; texture comes entirely from starch gelatinization and the natural grit of corn flour
  • Corn starch retrogrades faster than wheat starch, meaning noodles stiffen more rapidly after cooking—serve immediately or toss with oil
  • Unlike wheat noodles, corn noodles have a defined al dente window that closes quickly; past that point, they turn soft and mushy with no recovery
  • The rough surface of cooked corn noodles creates friction that helps sauce cling, but only if the sauce is smooth; chunky bits catch and distribute unevenly

Common uses

Cold sesame noodle dishes with sesame oil, soy sauce, rice vinegar, cucumber, and often Korean pear for sweetnessBibim-guksu style cold salads with gochujang-based sauce and julienned vegetablesLight summer soups with clear beef or anchovy broth and minimal garnishSpicy cold noodle bowls with kimchi, pickled vegetables, and a soft-boiled eggGluten-free noodle soups as a direct replacement for wheat noodlesSalad-style preparations with fresh herbs, lime, and fish sauce for Thai-inspired riffsHeartier servings topped with thinly sliced beef bulgogi or spicy chicken (buldak)Appetizer-style portions with a small pool of dipping sauce alongside soup

Tips & pitfalls

  • Do not overcook—corn noodles turn mushy quickly once they pass al dente; test at the low end of cooking time and drain immediately when tender
  • Rinse cooked noodles under cold running water to remove excess starch; this prevents clumping and is essential for cold dishes
  • If serving warm in broth, skip the ice water shock—drain and add directly to prevent the noodles from drawing liquid from the broth
  • When substituting dried for fresh, increase cooking liquid slightly as dried noodles absorb more broth than fresh
  • Toss noodles 2–3 times while applying sauce rather than once; corn noodles do not absorb sauce as readily as wheat noodles
  • Store fresh noodles loosely wrapped in the refrigerator; sealed plastic traps moisture and causes the noodles to stick together
  • Seek Korean or Japanese brands for dried corn noodles; Chinese-style mung bean starch noodles are sometimes mislabeled and behave entirely differently
  • If sauce seems too thin, add a spoonful of noodle cooking water—the starch in the water helps the sauce adhere better

Nutrition

471kcal

Energy

1971 kJ · per 100 g

Where the calories come from

Protein 9%Carbs 52%Fat 39%

Protein

10.9g

22% DV

Carbs

63.6g

23% DV

Fat

21.2g

27% DV

Fiber

6.7g

24% DV

Sugars

0g

of which

Sodium

866mg

38% DV

Notable micronutrients
Selenium52% DV
Thiamin (B1)47% DV
Iron36% DV
Riboflavin (B2)31% DV
Folate31% DV
Niacin (B3)29% DV

Source · USDA FoodData Central · approx. Noodles, chinese, chow mein

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In the shops

Matched grocery products

  • Sweet Corn

    Sweet Corn

    Hacendado · 450 g · Mercadona

    €1.55
  • Sweet Corn Bonpreu

    Sweet Corn Bonpreu

    BONPREU · kg · Bonpreu

    €1.59
  • Sweet Corn Bonpreu

    Sweet Corn Bonpreu

    BONPREU · kg · Bonpreu

    €2.49
  • Bonduelle Sweet Corn

    Bonduelle Sweet Corn

    BONDUELLE · kg · Bonpreu

    €1.99
  • Pickled Corn Kernels

    Pickled Corn Kernels

    RIOVERDE · kg · Bonpreu

    €2.99
  • Sweet Corn on the Cob

    Sweet Corn on the Cob

    2 ud · Mercadona

    €3.15

Good to know

Origin
Korea (Oksusu Guksu, 옥수수국수)
Primary ingredient
Corn flour (sometimes blended with wheat flour for elasticity)
Texture
Chewy, slightly gritty, firm bite
Color
Yellow to golden, from corn pigment
Gluten status
Gluten-free when made with 100% corn flour only
Typical serving
Cold with sesame-based sauce; also in light broth
Cooking time
Fresh: 3–5 minutes; dried: 6–8 minutes
Storage (fresh)
Refrigerate 3–5 days; freeze up to 1 month
Storage (dried)
Cool, dry place up to 12 months

Substitutes

  • Glass noodles (dangmyeon)Different texture (bouncy, clear) but works in cold sesame preparations; not gluten-free if made with wheat starch
  • Rice vermicelliDelicate, non-chewy; acceptable in broth preparations; does not hold thick sauces well
  • Japanese soba (buckwheat noodles)Nutty flavor similar to corn; not a direct textural match but works in warm preparations; 100% buckwheat soba is gluten-free

Pairs with

Sesame oilKorean pear (bae)CucumberGochujangScallionsRice vinegarToasted sesame seedsThinly sliced beef or buldak (chicken)

Also called

Oksusu Guksu · Korean Corn Noodle

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