Cold natto udon

Name: Cold natto udon
Total time: 20 min
Yield: 1 serving
Ingredients: udon; eggs (optional); cucumber (optional); okra (optional); kimchi (optional); nagaimo yam (optional); shiso; umeboshi (pickled plum); mentsuyu; sesame seeds; ice; 1 natto pack (with its sauce + mustard); soy sauce; salt; cooking oil

20 minBeginner scaleBeginner scale 4 of 5

Ingredients

udon
eggs (optional)
cucumber (optional)
okra (optional)
kimchi (optional)
nagaimo yam (optional)
shiso
umeboshi (pickled plum)
mentsuyu
sesame seeds
ice
1 natto pack (with its sauce + mustard)
soy sauce
salt
cooking oil

Steps

Blanch and slice okra; julienne cucumber; shred shiso.
Make a microwave onsen egg.
Stir natto with its sauce, chopped umeboshi and shiso.
Boil udon 1 min, chill in cold water and arrange the toppings on top.
Add grated nagaimo and sesame, then pour over the iced mentsuyu.

Recipe source

Source: Just One Cookbook · Namiko Chen · 2024 (opens in a new tab)

2024-07-11 · checked 2026-11-04. Steps rewritten in our own words from the original.

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Before you eat

If you take warfarin or another anticoagulant, talk to your doctor or pharmacist before eating natto. Natto is high in vitamin K (600 µg per 100 g, Standard Tables of Food Composition in Japan 2023). Vitamin K intake can change how warfarin works (MFDS label · MedlinePlus). Standard Tables of Food Composition in Japan 2023 (opens in a new tab) MFDS (opens in a new tab) MedlinePlus (opens in a new tab)

Natto is made from soybeans. If you have a soy allergy, don't eat it. Standard Tables of Food Composition in Japan 2023 (opens in a new tab) U.S. FDA (opens in a new tab)

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