
Pasta, noodles & bread · Noodles
Glass noodles
Transparent noodles of mung bean or sweet potato starch; slippery, chewy and gluten-free.
Also called: cellophane noodles, mung bean vermicelli, dangmyeon, sweet potato noodles, fensi, sotanghon
A kind of noodles
Photo: 토리랑, via Wikimedia Commons (CC-BY-4.0)
What it is
Glass or cellophane noodles are made from pure starch, usually mung bean (fine, wiry fensi and sotanghon) or sweet potato (thicker, grey Korean dangmyeon). Dried they are wiry and opaque white or grey; cooked they turn clear and slippery. They absorb flavour well and stay chewy, unlike rice noodles, which stay opaque and soften.
How it’s used
- Japchae (Korean sweet potato noodles)
- Thai yum woon sen salad
- Hot pots and soups
- Spring roll and dumpling fillings
- Sotanghon soup
Characteristics
- Texture
- Slippery, springy and chewy.
- When cooked
- Soak or boil briefly; snip long strands with scissors. They keep absorbing liquid, so sauce soups just before serving.
- Sold as
- dried
- Cooking uses
- Commonly cooked, Suitable for boiling, Suitable for frying
Storage
Pantry-stable. Dried noodles keep for a long time in a dry place.
Diet, allergens and safety
No major allergens in typical versions.
- Vegetarian
- Vegan
- Dairy-free
- Egg-free
- Gluten-free
- Nut-free
- Soy-free
- Caffeine-free
- Naturally gluten-free; check labels for added wheat.
Nutrition per 100 g
- Energy
- 351 kcal
- Protein
- 0.16 g
- Carbohydrate
- 86.09 g
- Fat
- 0.06 g
- Fibre
- 0.5 g
- Sugars
- 0 g
USDA FoodData Central: Noodles, chinese, cellophane or long rice (mung beans), dehydrated.
Substitutes
Optional — what works if you don’t have it, and how it changes the dish.
- Rice noodles — Thin rice vermicelli works in salads and soups; softer and not clear.
Related ingredients
Recipes with glass noodles

Chả giò (fried spring rolls)
Vietnamese · 1 h 15 min · 616 kcalJapchae
Korean · 45 min · 464 kcal
Kaeng jued tao hu moo sap
Thai · 35 min · 343 kcal
Kimchi mandu (kimchi dumplings)
Korean · 57 min · 546 kcal
Soto ayam
Indonesian · 1 h 25 min · 582 kcal
Yam woon sen (glass noodle salad)
Thai · 28 min · 352 kcal
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