P
Japanese · Osaka, Tokyo
Tanuki Soba and Kitsune Udon Topping Traditions
Tanuki soba (たぬきそば) and kitsune udon (きつねうどん) represent the canonical 'folkloric noodle' category in Japanese cuisine—each named after a supernatural creature and each defined by a specific topping. Kitsune udon ('fox noodle') is served with a large piece of age (揚げ, deep-fried tofu)—golden, sweet-simmered in dashi, mirin, and soy until caramelised—atop the udon broth. The name comes from the fox deity's (kitsune's) supposed fondness for abura-age (fried tofu). Kitsune udon originated in Osaka's Shimizu Seimenjo (now Matsubaya) in the late Meiji period and is most associated with Osaka's lighter, konbu-forward broth. Tanuki soba ('raccoon-dog noodle') is served with tenkasu (揚げ玉, deep-fried tempura batter scraps) as the topping—crispy batter pieces that gradually soften and enrich the soba broth as they absorb liquid. The name references the raccoon dog's folkloric transformative abilities (the batter has the appearance of something else—tempura—without the tempura's content, which is considered a 'tanuki' transformation). The tanuki/kitsune naming is further complicated by regional reversal: in Tokyo, 'kitsune soba' means soba with age topping (the same as Osaka kitsune udon); 'tanuki udon' in Tokyo means udon with tenkasu. This exact reversal is a classic example of the Kanto/Kansai cultural divide creating linguistic confusion across the same food categories.
I
The Market List
The benchmark for each ingredient, and who stocks it near you. Tap a stockist to go straight to the product.
For the kitsune age (sweet-simmered tofu)
4 pieces
abura-age (thick, 厚揚げ preferred)
rinsed in boiling water before simmering to remove excess frying oil
Not yet stocked in British Columbia
400 ml
dashi
konbu-forward for Osaka style
Not yet stocked in British Columbia
60 ml
mirin
Not yet stocked in British Columbia
60 ml
For the tenkasu (tempura batter scraps)
80 g
tenkasu (揚げ玉)
freshly made, within 24 hours of frying; if commercial, re-crisp briefly in a dry pan
Not yet stocked in British Columbia
For the kitsune udon broth (Osaka style)
1.2 litres
dashi
konbu-forward; lighter in colour and sweeter than Tokyo broth
Not yet stocked in British Columbia
40 ml
mirin
Not yet stocked in British Columbia
30 ml
For the tanuki soba broth
1.2 litres
dashi
standard soba-style dashi; earthier base than udon broth
Not yet stocked in British Columbia
40 ml
mirin
Not yet stocked in British Columbia
40 ml
soy sauce
For the noodles
400 g
fresh or dried udon noodles
for kitsune udon portions
Not yet stocked in British Columbia
400 g
fresh or dried soba noodles
for tanuki soba portions
Not yet stocked in British Columbia
To serve (kitsune udon, Osaka standard)
4 stems
spring onion (wa, 和)
cut into rings; placed on top at service
Your own market
Each tap is counted, so the stockist sees the demand Provenance sends them.
II
The Method
1
Pour boiling water over the abura-age and allow it to stand for one minute, then drain and press gently. This step removes excess frying oil; abura-age that has not been rinsed will release oil into the broth, producing cloudiness and off-flavour.
From the canon — Abura-age (deep-fried tofu pouches) represents one of Japanese cuisine's most versatile ingredients — thin slices of firm tofu that have been deep-fried twic… Abura-Age — Fried Tofu and Its Culinary Range →
2
Combine the 400 ml dashi, mirin, and soy sauce in a small saucepan. Add the rinsed abura-age in a single layer. Simmer over moderate heat, turning once, until the pieces have absorbed the sweet dashi fully and are caramelised in colour throughout. This is the step on which kitsune udon lives or dies: pale, unseasoned age is a quality failure — the tofu interior must be saturated with the sweet-soy dashi, with no white, unreduced centre remaining. Remove and reserve, keeping warm.
3
If using commercial tenkasu, spread the scraps in a dry pan over low heat and re-crisp briefly, stirring, until any off-note from delayed packaging is dispelled and the batter smells clean and faintly nutty. Fresh tenkasu used within 24 hours of frying requires no refreshing. The tenkasu should smell of clean fried batter, not rancid oil.
4
Cook the udon noodles according to their form (fresh or dried) in a generous pot of boiling unsalted water, stirring to prevent sticking. Drain and rinse under hot water. The noodles should feel firm yet fully yielding to a bite — no chalky core.
From the canon — Udon are Japan's thickest noodles — made from hard wheat flour with water and salt, kneaded by foot (ashi de fumu) in the Sanuki tradition of Kagawa prefecture. Udon Noodles →
5
Cook the soba noodles separately in a generous pot of boiling unsalted water. Drain and rinse briefly under hot water to remove surface starch. The noodles should be tender but retain the slight resistance characteristic of buckwheat.
From the canon — Buckwheat soba — 100% buckwheat noodles, as opposed to the more common 80:20 buckwheat-wheat blend — is the only form of soba that is naturally gluten-free. Soba Noodles (100% Buckwheat — Naturally Gluten-Free) →
6
Bring the kitsune udon broth (1.2 litres dashi, mirin, light soy) to a bare simmer. Taste: the Osaka-style broth should be lighter in colour, sweeter, and more restrained in soy than a Tokyo broth, with konbu clearly present on the palate.
7
Bring the tanuki soba broth (1.2 litres dashi, mirin, soy) to a bare simmer separately. The broth should taste earthy and more robustly seasoned, as a counterpoint to the soba's own buckwheat character.
8
To assemble kitsune udon (Osaka convention): divide udon into warmed bowls, ladle over the hot broth, place one piece of sweet-simmered age on top, and finish with rings of spring onion. The age should sit on the surface, caramelised and intact.
9
To assemble tanuki soba (Tokyo convention): divide soba into warmed bowls, ladle over the hot soba broth, and scatter tenkasu over the surface. The batter scraps will begin to absorb the broth immediately, softening and releasing fat into the liquid — serve without delay, so that the diner experiences both the initial crispness and the subsequent enrichment of the broth as the tenkasu dissolves.
III
Quality Hierarchy
01
Reserve — Thick abura-age (厚揚げ) simmered in single-origin konbu dashi; tenkasu collected from the final batch of a tempura service, when the frying oil has been seasoned by successive batches; hand-cut soba from freshly milled buckwheat.
02
Estate — Standard abura-age, properly rinsed and simmered; freshly made tenkasu from a home or restaurant tempura session used the same day; dried soba of declared buckwheat content.
03
Market — Supermarket abura-age, rinsed before simmering; commercial tenkasu re-crisped in a dry pan to remove off-notes; any reliable dried udon or soba.
04
House — Pre-seasoned packaged age topping used without additional simmering; packaged tenkasu used directly from the bag without refreshing. Both are serviceable at speed, though each represents a quality failure relative to the standard.
IV
Sensory Tests
◇Sight. The simmered age is uniformly caramelised in colour, with no pale or white interior visible at the cut edge — saturation of the sweet dashi is complete.
◇Smell. Tenkasu smells of clean, faintly nutty fried batter; any rancid or stale oil note indicates the scraps are unfit and will contaminate the soba broth.
◇Sight. The Osaka kitsune udon broth is pale and clear relative to a Tokyo soy broth — deep amber colour signals over-reliance on dark soy and a departure from the Kansai standard.
◇Sight. Tenkasu placed on soba broth begins to absorb liquid at the edges immediately; the dish must reach the diner before the scraps have fully dissolved, so that both stages of texture are experienced.
◇Where it lives or dies. The age for kitsune udon must be simmered until fully saturated with sweet dashi and caramelised throughout — pale, unreduced tofu placed unsimmered into the bowl is the definitive failure of the dish.
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VI
What to Pour
The pairing
Sake
From British Columbia
Wine
Without alcohol
GT's Synergy Organic Kombucha — Gingerade
Not yet stocked in British Columbia
Non-alcoholic
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The whole pairingPillar VII
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Sourced through Provenance