Kake Udon (Simple Japanese Udon Noodle Soup)

Enjoy a comforting bowl of Kake Udon and delight in the harmony between its chewy udon noodles and flavorful dashi soup. Learn how to make this easy yet satisfying noodle dish!

Looking for easy udon recipes? Try my Tanuki Udon, Kitsune Udon, Zaru Udon!

kake udon (udon noodle soup) in a bowl with chopsticks.

I’ll walk you through the ingredients and step-by-step instructions. I hope you enjoy it!

Why You Will Love This Recipe 

  • This requires just a few easy steps, ready in 15 minutes.
  • You will savor the comforting flavors of this simple Kake udon.
  • You can explore more topping variations to suit your taste preferences.

Kake Udon

Kake udon, or udon noodle soup, is a traditional Japanese dish prepared by pouring hot, savory broth over boiled udon noodles and then topping them with minimal toppings. It’s a popular quick lunch menu in Japan.

Recipe Ingredients

You’ll need the following ingredients to make this Kake Udon Recipe:

Ingredient list for kake udon noodles.
  • Udon noodles: Dried, fresh, or frozen udon noodles are available at grocery stores. I use frozen udon noodles in this recipe.
  • Mentsuyu is a Japanese soup base crafted with just three main ingredients–flavorful dashi stock (Japanese soup stock), soy sauce, and mirin. With a rich flavor and simple preparation, this homemade soup pairs perfectly with any noodles. I use homemade mentsuyu in this recipe. For those short on time, store-bought mentsuyu is an easy option.
  • Toppings: Green onions and wakame seaweed.

How To Make Kake Udon: STEP BY STEP 

Here are some quick visual instructions! For the video and all the detailed ingredients and instructions, go to the printable recipe card below.

How to make kake udon.

Step 1

Prepare toppings.

How to make kake udon.

Step 2

Cook udon noodles.

How to make kake udon.

Step 3

Drain and quickly rinse under running cold water.

How to make kake udon.

Step 4

Make udon soup.

kake udon (udon noodle soup) in a bowl with chopsticks.

Serve the noodles in a bowl, pour the soup, and finish with toppings. Once it’s served, please eat immediately. Otherwise, the udon noodles soak up the soup and become soggy. If you like a little spice, sprinkle with shichimi togarashi (Japanese spice mix) and enjoy!

Recipe Tips

  • If the mentsuyu soup is too salty, dilute it with water. If it’s too light, add more mentsuyu.
  • Udon noodle cooking time – a couple of minutes for frozen ones. 10 minutes or more for fresh and dried ones.
  • Try various toppings from the “Topping variations” section below.
  • If you use store-bought mentsuyu, follow the instructions on the package. How much water to add depends on the product.

Vegan Adaptable

Mentsuyu is not vegan-friendly as it’s made from katsuobushi (bonito flakes). But you can easily substitute it with dried shiitake mushrooms. Click here for a vegan udon soup recipe.

Topping Variations

Toppings for Kake udon (udon noodle soup).

Kake udon is the most basic udon noodle soup, but the topping variations are limitless! Here are my favorite toppings you can try:

  • Green onions (scallion, spring onion)
  • Wakame Seaweed
  • Kamaboko fish cake – A type of fish cake
  • Onsen Tamago – A half-boiled egg. Place eggs in boiled water and leave for 15-20 minutes to cook slowly
  • Agedama – Tempura bits or tempura flakes (Crunchy pieces of tempura batter)
  • Spinach – Boil for 1 minute
  • Tororo Kombu – Flakes of kombu seaweed
  • Aburaage – Thin deep-fried tofu. Bake on both sides with a toaster to make it crispy

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kake udon (udon noodle soup) in a bowl with chopsticks.

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I hope you enjoy this Kake Udon! If you try it, don’t forget to leave a rating to share your thoughts—I love hearing from you!

kake udon (udon noodle soup) in a bowl

Kake Udon (Siimple Japanese Udon Noodle Soup)

5 from 4 votes
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Prep: 5 minutes
Cook: 10 minutes
Total: 15 minutes
Servings: 2 servings
Author: Juri Austin
Enjoy a comforting bowl of Kake Udon and delight in the harmony between its chewy udon noodles and flavorful dashi soup. Learn how to make this easy and simple yet satisfying noodle dish!

Equipment

  • 1 Medium saucepan 18 cm/7 inches
  • 1 Strainer

Ingredients

  • 2 packs Udon noodles, about 360g
  • 600 ml Homeade mentsuyu
  • 200 ml Water
  • 1 inch Scallion, 2.5cm, chop
  • 1 tbsp Dried wakame Seaweed, rehydrate and drain

Instructions

  • Prepare toppings
  • Cook udon noodles: Boil plenty of water (not in the ingredients list) in a medium saucepan, add udon noodles, and cook according to the package instructions. Stir the noodles with chopsticks to separate them while cooking.
  • Drain the noodles: Drain using a strainer and quickly rinse under running cold water to remove the extra starch.
  • Udon soup: Put mentsuyu and water in the same saucepan and warm it up.
  • Serve: Serve the drained noodles in a bowl, pour the soup, and place the scallions and wakame on top.

Video

Notes

  • If the udon soup is too salty, dilute it with water. If it’s too light, add more mentsuyu.
  • Udon noodle cooking time – a couple of minutes for frozen ones. 10 minutes or more for fresh and dried ones.
  • Try various toppings from the “Topping variations” section.
  • If you use store-bought mentsuyu, follow the instruction on the package. How much water to add depends on the product.

Nutrition

Serving: 1serving | Calories: 293kcal | Carbohydrates: 49g | Protein: 17g | Fat: 4g | Vitamin C: 1mg
Course: Noodles
Cuisine: Japanese
Keyword: kake udon, udon noodle soup
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