Kitsune Udon (きつねうどん) — Udon Noodles with Sweet Fried Tofu
Kitsune udon is a beloved Japanese noodle soup associated especially with Osaka: thick udon in clear seasoned dashi, crowned with sweet-simmered fried tofu. The name refers to fox folklore, as fried tofu is linked with fox messengers at Inari shrines.

Printable Recipe Card
Servings: 2 · Total: 40 min · Difficulty: easy
Ingredients (quick list)
- 2 aburaage fried tofu pouches
- 500 ml boiling water (for removing excess oil from the tofu)
- 180 ml awase dashi (kombu and bonito dashi; contains fish)
- 1 tbsp Japanese soy sauce
- 1 tbsp mirin
- 12 g granulated sugar
- 500 g frozen udon noodles
- 2 tbsp usukuchi soy sauce (light-colored Japanese soy sauce)
- 3 g fine sea salt
- 2 scallions (thinly sliced)
- 0.5 tsp shichimi togarashi (optional seven-spice finish)
Steps (summary)
- Place the aburaage fried tofu pouches in a shallow heatproof bowl and pour 500 ml boiling water over them. Let them stand for 1…
- Combine 180 ml awase dashi, 1 tbsp soy sauce, 1 tbsp mirin, and 12 g sugar in a small saucepan. Add the drained aburaage, bring…
- In a separate saucepan, combine 900 ml awase dashi, 2 tbsp usukuchi soy sauce, 2 tbsp mirin, and 3 g fine sea salt. Warm the br…
- Bring a large pot of water to a rolling boil and add the frozen udon noodles. Cook according to the package timing, usually 1 t…
- Divide the hot udon noodles between 2 deep bowls and ladle the seasoned broth over them. Place 1 sweet-simmered aburaage pouch…
Cultural Background
Kitsune udon is strongly associated with Kansai noodle culture, particularly Osaka, where clear, fragrant broth is prized. Its sweet fried tofu topping connects the dish to Inari fox folklore and everyday noodle-shop comfort.
Equipment
💡 Tips
- Blanching the aburaage is essential because it removes old frying oil and helps the tofu absorb the sweet simmering liquid evenly.
- Keep the broth below a hard boil after seasoning; vigorous boiling dulls the delicate kombu and bonito aroma of awase dashi.
- Frozen udon gives the best chewy texture for home cooking, but it should be heated briefly rather than boiled for a long time.
⚠️ Common Mistakes
❌ Skipping the hot-water rinse for the aburaage
✅ Fix: Pour boiling water over the tofu and press it dry so the final topping tastes clean rather than oily.
❌ Boiling the seasoned dashi aggressively
✅ Fix: Heat the broth only until steaming because a hard boil can flatten the aroma and make the soy sauce taste sharp.
❌ Letting cooked udon sit in the broth too long
✅ Fix: Assemble immediately before serving so the noodles stay springy and the broth remains clear.
🧊 How to Store
Store noodles, broth, and sweet tofu separately in airtight containers for up to 3 days in the refrigerator. Reheat the broth and tofu gently, then warm the noodles briefly in boiling water before assembling.
📅 Make Ahead
The aburaage topping can be simmered 2 days ahead and refrigerated in its cooking liquid. The broth can be seasoned 1 day ahead, but cook the udon only just before serving.
🍽️ Pairs Well With
- Japanese pickles
- spinach ohitashi
- cucumber sunomono
- chilled green tea.
Regional Variations
- Kansai-style kitsune udon often uses a paler, lighter broth based on usukuchi soy sauce and fragrant dashi.
- Kanto-style versions may have a darker broth made with regular soy sauce and a slightly stronger seasoning profile.
- Some shops add kamaboko fish cake or wakame, though the essential topping remains sweet-simmered aburaage.
Ingredients
- 2aburaage fried tofu pouches
- 2⅛ cupboiling water (for removing excess oil from the tofu)
- ¾ cupawase dashi (kombu and bonito dashi; contains fish)
- 1 tbspJapanese soy sauce
- 1 tbspmirin
- 12 ggranulated sugar
- 1⅛ lbfrozen udon noodles
- 2 tbspusukuchi soy sauce (light-colored Japanese soy sauce)
- 3 gfine sea salt
- 2scallions (thinly sliced)
- ½ tspshichimi togarashi (optional seven-spice finish)
🔄 Substitutions
- awase dashi→ kombu-shiitake dashi
- usukuchi soy sauce→ regular Japanese soy sauce
- frozen udon noodles→ vacuum-packed cooked udon noodles
Instructions
- 1
Place the aburaage fried tofu pouches in a shallow heatproof bowl and pour 500 ml boiling water over them. Let them stand for 1 minute, then drain and press gently between paper towels to remove excess surface oil without tearing the tofu.
- 2
Combine 180 ml awase dashi, 1 tbsp soy sauce, 1 tbsp mirin, and 12 g sugar in a small saucepan. Add the drained aburaage, bring to a gentle simmer, and cook for 10 to 12 minutes until the tofu has absorbed the sweet-savory liquid and looks glossy.
- 3
In a separate saucepan, combine 900 ml awase dashi, 2 tbsp usukuchi soy sauce, 2 tbsp mirin, and 3 g fine sea salt. Warm the broth over medium heat until steaming, then keep it just below a boil so the aroma stays clean and the dashi does not taste harsh.
- 4
Bring a large pot of water to a rolling boil and add the frozen udon noodles. Cook according to the package timing, usually 1 to 2 minutes for frozen udon, then drain well so the cooking water does not dilute the broth.
- 5
Divide the hot udon noodles between 2 deep bowls and ladle the seasoned broth over them. Place 1 sweet-simmered aburaage pouch on each bowl, scatter with sliced scallions, and finish with 0.25 tsp shichimi togarashi per serving if using.
🪪 Recipe Passport
Cultural Background
Kitsune udon is strongly associated with Kansai noodle culture, particularly Osaka, where clear, fragrant broth is prized. Its sweet fried tofu topping connects the dish to Inari fox folklore and everyday noodle-shop comfort.
Regional Variations
Researched from multiple sources and validated by the Zaffaron editorial team. Every recipe is tested for accuracy, measurements, and cultural authenticity.
📚 Sources & Cultural References
- Shizuo Tsuji — Japanese Cooking: A Simple Art — (1980)
- Elizabeth Andoh — Washoku: Recipes from the Japanese Home Kitchen — (2005)
Sources cited by the Zaffaron editorial team during recipe research. Cultural and culinary references supporting authenticity claims.
Nutrition per serving
Pairs well with
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