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Tanuki Soba (たぬきそば, soba with tempura crumbs)

Tanuki Soba (たぬきそば, soba with tempura crumbs)

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Hot soba, dark dashi, and crisp tenkasu that soften as you eat. Tanuki soba is weeknight food with one quiet demand: make the broth properly.

Soups & Stews
Japanese
Weeknight
Comfort Food
15 min
Active Time
25 min cook40 min total
Yield2 servings

Tanuki soba looks almost too plain to explain: noodles, broth, scallion, and a scatter of tenkasu, the crisp crumbs left from frying tempura. Then you eat it. The crumbs drink the dark dashi little by little, and the bowl changes under your chopsticks, richer at the end than it was at the first sip.

The one detail that decides it is the tsuyu, the seasoned broth. In Kanto, we make it darker and bolder than the pale broths of the west, with dashi, soy sauce, and mirin carrying the whole bowl. Don't make it salty to prove a point. Make it deep enough that the soba tastes of buckwheat, the broth tastes clean, and the tenkasu can soften without turning the whole thing dull.

Use fresh tenkasu if you can get it from a tempura shop, or fry a quick spoonful of batter yourself. Bagged agedama works on a tired Tuesday, yes, but taste it first. If it smells stale or oily, leave it out. Nothing hidden. This is a small bowl with no camouflage, and that is why it's such good comfort food.

Tanuki soba is strongly associated with Kanto, where the name refers to hot soba topped with tenkasu, the small fried crumbs from tempura batter. In Kansai, the same name can mean a different dish, often soba with fried tofu, while tempura crumbs on noodles may be called haikara. The regional confusion is old enough that ordering tanuki without context is still a small geography lesson.

The technique, the tradition, and the story behind every dish.

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Ingredients

water

Quantity

4 cups

konbu (dried kelp)

Quantity

1 piece (about 10g)

katsuobushi (bonito flakes)

Quantity

20g

soy sauce

Quantity

1/3 cup

mirin

Quantity

1/4 cup

sugar (optional)

Quantity

1 teaspoon

dried soba noodles

Quantity

200g

tenkasu or agedama (tempura crumbs)

Quantity

1/2 cup

scallions

Quantity

2

thinly sliced

shichimi tōgarashi (optional)

Quantity

for serving

Equipment Needed

  • Medium pot for dashi
  • Large pot for boiling soba
  • Fine-mesh strainer lined with a clean cloth
  • Noodle strainer or sieve

Instructions

  1. 1

    Steep the konbu

    Wipe the konbu with a damp cloth, but don't wash it. Put it in 4 cups cold water and bring it up slowly over low heat, about ten minutes. Pull the konbu when the water trembles and small bubbles climb the sides of the pot. Boil it and the stock turns bitter and a little slick, which is a poor trade for impatience.

    The white bloom on konbu is flavor, not dirt. Wiping protects the stock; washing throws away what you came for.
  2. 2

    Add bonito flakes

    Bring the water just to a gentle boil, add the katsuobushi all at once, and take the pot off the heat. Let the flakes sink for two or three minutes without stirring. They're giving their aroma to the water, and rough handling only clouds the taste.

  3. 3

    Strain the dashi

    Strain the dashi through a cloth-lined sieve and let it drip naturally. Don't squeeze the flakes. Squeezing presses out harsh, oily flavors, and tanuki soba needs a clean broth because the tenkasu will enrich it later.

  4. 4

    Season the broth

    Return the dashi to the pot and add the soy sauce, mirin, and sugar if using. Simmer for three minutes so the raw edge of the mirin cooks off and the soy settles into the stock. Taste it. It should be darker and firmer than a clear soup, but still dashi first.

  5. 5

    Cook the soba

    Boil the soba in plenty of unsalted water according to the package timing, usually four to six minutes. Stir once when the noodles go in so they don't cling. Taste early. Soba should be tender but still carry its buckwheat bite, not collapse into softness.

  6. 6

    Rinse and warm

    Drain the soba and rinse it under cold running water, rubbing gently to remove surface starch. This feels odd for a hot noodle dish, but it keeps the broth clear and the noodles clean. Dip the rinsed soba briefly in hot water to warm it again, then drain well.

  7. 7

    Assemble the bowls

    Divide the hot soba between two warmed bowls and ladle the dark broth over it. Scatter tenkasu over the surface, then add the sliced scallion. Serve at once with shichimi tōgarashi on the side. The first spoonful should be crisp at the edges; the last should be richer from the crumbs that have softened.

Chef Tips

  • Fresh tenkasu from a tempura shop is best, because it tastes clean and faintly sweet from the batter. If using bagged agedama, smell it before it goes near the bowl. Old oil announces itself.
  • For a meatless table, make the dashi with konbu and dried shiitake. Soak both in cold water overnight, warm gently, then remove before boiling. Temple kitchens know this path well; it's honmono, not a compromise.
  • Warm the bowls before serving. Hot broth cools quickly against cold ceramic, and soba is best eaten while the noodles still feel lively.

Advance Preparation

  • The dashi can be made up to two days ahead and kept refrigerated. Season it as tsuyu when you're ready to serve.
  • The broth can be seasoned a day ahead. Reheat gently and taste before serving, because chilled broth can seem quieter than hot broth.
  • Cook the soba just before eating. Cooked soba loses its clean texture as it sits, even when rinsed properly.

Frequently Asked Questions

Nutrition Information

1 serving (about 780g)

Calories
525 calories
Total Fat
6 g
Saturated Fat
1 g
Trans Fat
0 g
Unsaturated Fat
5 g
Cholesterol
5 mg
Sodium
2700 mg
Total Carbohydrates
99 g
Dietary Fiber
5 g
Sugars
17 g
Protein
20 g

Note: Chef personas and recipes are created with AI assistance. Cook with care: follow safe food-handling practices, check doneness with a thermometer when needed, and adapt for allergies and your kitchen.

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