What is the main ingredient in japchae?

The main ingredient is sweet potato starch noodles.

Can this be made vegan?

Yes, you can use tofu and skip any meat additions.

Adding chili flakes or spicy sauce can give it a nice kick.

Noodle

Stir-fried sweet potato noodles with vegetables, typically flavored with a soy sauce-based mixture.

Pro 100 g

200 kcal

1 bowl

500 kcal

(250 g)

Protein	Kohlenhydrate	Fett
5 g / 100g	30 g / 100g	7 g / 100g

Where the calories come from

Protein 10% · Carbs 59% · Fat 31%

Share of energy: 4 kcal per gram of protein and carbs, 9 kcal per gram of fat.

1 bowl (250 g, 500 kcal) is 25% of a 2,000 kcal day. 2,000 kcal is the reference day used on nutrition labels, not a personal target.
Burning 1 bowl takes about 122 min of brisk walking. Estimate for a 70 kg adult walking briskly (about 4 kcal a minute).

Korean Japchae Noodles is number 3 of 6 by calories per 100 g, lowest first. The similar foods average 200 kcal per 100 g.

Food	kcal / 100 g	Protein / 100 g
Ramen with Miso Broth	130	5 g
Thai Pineapple Fried Rice	150	4 g
Korean Japchae Noodles	200	5 g
Ginger Garlic Noodles	220	5 g
Grilled Vegetable Unagi Roll	220	6 g
Spicy Noodle Bowl	280	10 g

Nutrition data updated June 13, 2026.

8/10

A satisfying and filling meal that won’t derail your weight loss goals.

What is the main ingredient in japchae?: The main ingredient is sweet potato starch noodles.
Can this be made vegan?: Yes, you can use tofu and skip any meat additions.
How can I spice it up?: Adding chili flakes or spicy sauce can give it a nice kick.

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