Osaka Kitsune Udon (Thick Noodles with Sweet Fried Tofu in Dashi)
Quick answer
Kitsune udon is Osaka's signature noodle bowl, defined by sweet simmered fried tofu draped over thick wheat noodles in a clear dashi broth.
What makes this special
- Osaka Kitsune Udon floats sweet simmered aburaage in a pale Kansai dashi seasoned with light soy, not dark.
- Pale but rich Kansai-style dashi seasoned with light soy sauce, not dark
- Simmered aburaage squeezed with sweet broth releases sweetness with every bite
Key ingredients
Core cooking flow
- 1 Pour 900ml water into a pot with 10g kombu and heat gently over low heat.
- 2 Place 4 aburaage on a rack and pour boiling water over them to remove excess surface oil.
- 3 Combine 200ml dashi, 1 tbsp soy sauce, 1 tbsp mirin, and 2 tbsp sugar in a pot and bring to a boil.
Kitsune udon is Osaka's signature noodle bowl, defined by sweet simmered fried tofu draped over thick wheat noodles in a clear dashi broth. The broth is drawn from kombu and bonito flakes, then seasoned with light soy sauce in the Kansai tradition, pale in color but layered with umami. The aburaage tofu is simmered separately in a mixture of dashi, soy sauce, mirin, and sugar until it swells with sweet braising liquid, and each bite releases a burst of that concentrated sweetness into the bowl. Thick, chewy udon noodles sit in the steaming broth, their mild wheat flavor providing a neutral base for the delicate soup. Sliced green onion scattered on top adds freshness and a gentle bite. In Osaka, kitsune udon is eaten at all hours, as a quick breakfast before work, a light lunch, or a late-night bowl after drinks, and every neighborhood udon shop holds its own variation on the sweet tofu recipe passed down through the years.
Instructions
Read the steps as a cooking flow: prep, heat, seasoning, doneness control, and finish.
- 1Control
Pour 900ml water into a pot with 10g kombu and heat gently over low heat.
Remove the kombu just before boiling, add 15g bonito flakes, steep for 2 minutes, and strain to yield 800ml clear dashi.
- 2Control
Place 4 aburaage on a rack and pour boiling water over them to remove excess surface oil.
Removing the oil allows the simmering liquid to penetrate cleanly.
- 3Control
Combine 200ml dashi, 1 tbsp soy sauce, 1 tbsp mirin, and 2 tbsp sugar in a pot and bring to a boil.
Add the aburaage and simmer uncovered over medium-low heat for 10 minutes until almost all the braising liquid is absorbed.
- 4Season
Season the remaining 600ml dashi with 2 tbsp soy sauce and 1 tbsp mirin to make the udon broth.
Bring to a boil, taste, and adjust seasoning.
- 5Heat
Cook 400g udon according to package directions, rinse under cold water, then place in serving bowls and pour the hot broth over them.
- 6Control
Place the simmered aburaage on top of the broth and sprinkle with 1 thinly sliced scallion.
The dish is at its best when the aburaage softens slightly in the hot broth.
After the steps
Pick a recipe that fits this dish.
Continue with shared ingredients, meal pairings, or a similar method.
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Udon with Seasoned Fried Tofu
Kitsune udon is a Japanese noodle soup defined by its topping of sweet-simmered fried tofu pouches floating on a clear, deeply savory dashi broth. The aburaage is blanched first in boiling water to remove the excess oil that would otherwise cloud the broth and repel the seasoning, then braised in a mixture of water, soy sauce, mirin, and sugar for about six minutes until the liquid has been absorbed and the sweetness has penetrated to the center of each pouch. The broth is built separately from a stock of katsuobushi and kombu, seasoned with soy sauce, mirin, and just enough salt to round out the flavor without making it salty. The quality of this broth is the single most important factor in the finished bowl. Frozen udon noodles are warmed in boiling water for about two minutes, just long enough to loosen and heat through without losing their elastic, springy texture, then transferred to the bowl with the broth ladled over. The simmered tofu pouch sits on top, and as you eat, it releases its sweetened liquid gradually into the surrounding broth, shifting the flavor of the soup with each bite. Sliced scallion and a pinch of shichimi togarashi finish the bowl with fresh aroma and gentle heat. The tofu benefits from being prepared a day in advance, as resting overnight deepens the braising flavor throughout.
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