← BlogJune 29, 2026

How to Make the Perfect Udon Noodle Soup

Japanese · Easy · 25 min · 4 servings

dairy-free
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Udon Noodle Soup

This udon noodle soup is a kid friendly recipe that features thick chewy noodles in a warm savory broth. Kids love slurping up the soft noodles making it a perfect family dinner any night of the week.

Why this recipe works

This Udon Noodle Soup recipe has been crafted to deliver restaurant-quality results in your home kitchen. At just 25 minutes from start to finish, it fits perfectly into a busy schedule without sacrificing flavor. Each serving comes in at 320 calories with 12g of protein, making it a balanced choice for any meal.

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What you will need

This recipe uses 7 simple ingredients that you can find at any grocery store:

  • 400 g udon noodles
  • 4 cups chicken broth
  • 2 tbsp soy sauce
  • 1 tbsp mirin
  • 2 stalks green onions sliced
  • 2 soft boiled eggs halved
  • 1 sheet nori cut into strips

Step by step instructions

Step 1: Prepare the Broth

In a medium saucepan combine chicken broth soy sauce and mirin. Bring to a gentle simmer over medium heat and stir well to combine all flavors.

Step 2: Cook the Noodles

Add udon noodles to the simmering broth and cook according to package directions usually about 3 to 4 minutes until the noodles are tender and chewy.

Step 3: Soft Boil the Eggs

While the noodles cook place eggs in a separate small pot of boiling water for exactly 7 minutes then transfer to ice water and peel carefully before halving.

Step 4: Assemble and Serve

Ladle the noodles and broth into bowls then top with sliced green onions halved soft boiled eggs and strips of nori. Serve immediately while hot.

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Easy substitutions

Missing an ingredient? Here are some swaps that work perfectly:

  • chicken broth → vegetable broth for a vegetarian version
  • mirin → 1 tsp sugar mixed with 1 tsp rice vinegar

Common mistakes to avoid

Watch out for these pitfalls that can affect your results:

  • Overcooking the udon noodles until they become mushy and fall apart
  • Making the broth too salty by not tasting before adding more soy sauce

Nutrition facts

Per serving: 320 calories, 12g protein, 58g carbs, 5g fat, 3g fiber.

Ready to cook?

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