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Nikusui Udon is a comforting and soothing beef noodle soup from Osaka, one of the major cities and food capitals of Japan. It's simply prepared with Kansai-fu Dashi, Udon and thin slices of beef rib (Kansai-fu dashi is the Bonito-stock-based light colour stock used in Kansai region, which includes Osaka, Kyoto and their surrounding areas). Light, but at the same time deep, flavour of Katsuobushi marries up perfectly with Umami from beef, and silky smooth Udon noodles, making it an ideal meal for any time of the day or night. It's also a perfect cure for hangovers.
Prep Time 20 mins
Course Main Course
Cuisine Japanese
Servings 4 people

Equipment

  • 1 Saucepan
  • 1 Strainer
  • 1 Measuring cup
  • 1 Large pot
  • 1 pair Chopsticks
  • 1 Ladle
  • 1 Cooking knife
  • 1 Cutting board

Ingredients
  

  • 880 g Prepacked boiled Udon noodles
  • 300 g Beef rib thinly sliced (available at Japanese or Korean supermarkets)
  • 3 Scallions
  • 1 large pot Water for boiling the Udon

-DASHI STOCK-

  • 1800 ml Water
  • 10 g Kombu (dried kelp)
  • 45 g Katsuobushi (dried bonito flakes)
  • 150 ml Shiro-shoyu (white soy sauce) ※Adjust the amount, if necessary, as the saltiness depends on the brand.
  • 120 ml Mirin (Sweet rice wine)

-GARNISH-

  • 3 Scallions
  • 4 pinches Shichimi-Togarashi (Japanese seven-spice powder) optional

Instructions
 

  • Wipe the kombu with a dumb paper towel to remove possible sand on the surface.
  • Put the kombu and 1800ml of water in a saucepan, then start heating over medium-low heat. ※Soak the Kombu in the water overnight if you want a richer kombu flavour.
  • Just before the water comes to a simmer, take out the Kombu.
  • Bring the water to a boil and put a mesh strainer in the saucepan. Then, add the Katsuobushi and turn off the heat. Leave the Katsuobushi immersed in water for 5 minutes.
  • Lift up the mesh strainer and let the dash drain itself, but do not press the Katsuobushi as it causes bitterness. You should end up having 1200 to 1500 ml dashi stock.
  • Add the white soy sauce. Check the taste and add more soy sauce if necessary.
  • Add the Mirin
  • Cut the beef rib slices into 10cm long pieces.
  • Add them in the dashi stock and heat over high heat.
  • Once it comes to a boil, turn down the heat and skim off the scum well. Simmer over medium low heat for 5 minutes.
  • Start heating the water for boiling the Udon noodles.
  • In the meantime, bias slice 3 scallions and finely chop the other 3 scallions.
  • Add the bias sliced scallions into the beef soup.
  • Boil a portion (220g) of Udon noodles for a minute.
  • Add the noodles into a serving bowl and pour over the soup.
  • Sprinkle some of the finely chopped scallions.
  • Finally, sprinkle a touch of Shichimi-Togarashi (Japanese seven-spice powder).