Japanese Inari Zushi Fried Tofu Pocket Sushi and Festival Culture

Ingredients

• For the abura-age pouches
• 6 pieces abura-age (fried tofu slices), halved crosswise to yield 12 pouches
• 200 ml dashi
• 3 tbsp soy sauce
• 3 tbsp mirin
• 2 tbsp sugar
• For the shari (sushi rice)
• 400 g short-grain Japanese rice, cooked and turned out
• For the awasezu (sushi vinegar)
• 50 ml rice vinegar
• 1.5 tbsp sugar, slightly less than standard nigiri shari proportion
• 1 tsp salt
• Optional Kansai-style rice additions
• 2 dried shiitake mushrooms, rehydrated, finely diced, simmered in soy sauce and mirin
• 1 tbsp toasted sesame seeds
• 1 tbsp pickled ginger (gari), finely chopped

Method

1. 1
   Bring a generous volume of water to a full boil. Add the halved abura-age pieces and blanch for 2 minutes, turning once. This removes surface frying oil that would otherwise render the finished pouch greasy and heavy. Drain and press each piece gently between the palms — firm enough to expel water, not so hard as to compress and weaken the cell structure. The pieces should feel damp but not wet, and hold their shape without cracking.
2. 2
   Combine the dashi, soy sauce, mirin, and sugar in a wide, shallow pan. Bring to a simmer, add the blanched abura-age in a single layer, and cover with a drop lid (otoshibuta) or a circle of baking paper pressed directly to the surface. Simmer covered for 20 minutes, then remove the lid and continue simmering for a further 10 minutes to reduce the liquid and glaze the surface. This step is where the dish lives or dies: the abura-age must absorb the simmering liquid deeply enough that every bite carries the concentrated sweet-salty character — under-simmered pouches will taste bland against the seasoned rice, and no subsequent step can correct the shortfall. The liquid should be nearly entirely absorbed; the surface of each piece should carry a visible gloss from the reduced sugars.
3. 3
   While the abura-age simmers, dissolve the sugar and salt into the rice vinegar over gentle heat to make the awasezu. Turn the hot cooked rice into a wide, flat non-reactive vessel. Pour the awasezu evenly over the rice and fold through using a wooden paddle with broad, cutting strokes — do not stir, which breaks the grains. Fan the rice as you fold to cool it rapidly. The shari is ready when it is body-warm, glossy, and each grain is separate and lightly coated.
4. 4
   If using Kansai-style inclusions, fold the diced simmered shiitake, toasted sesame, and chopped pickled ginger through the warm shari now, distributing evenly before the rice cools further.
5. 5
   Remove the abura-age from the pan while still warm — warm pouches are significantly more elastic and resist tearing. Roll each piece firmly once with a rolling pin or the base of a sake bottle to loosen the sealed inner layers. Starting from the cut edge, ease the two layers apart with a finger, working steadily around the interior until a full open pouch is formed. A successfully opened pouch should be intact on three sides, open on one, and offer no resistance to a cupped hand pressed gently inside.
6. 6
   Wet the hands lightly. Shape a portion of shari — enough to fill the pouch comfortably without strain — into a rounded oval. Tuck it into the warm pouch. The fill is correctly judged when the pouch holds its shape without bulging at the seams and the rice-to-tofu ratio feels balanced in the hand: neither a collapsed shell nor a drum-tight package. For Kanto style, fold the open edge inward and under to seal. For Kansai style, fold the open edge outward to form a visible rim, leaving the rice exposed at the top.
7. 7
   Arrange the finished inari zushi on a flat tray and cover loosely with plastic wrap. If serving within four hours, room temperature is correct — the vinegar in the rice and the sugar concentration in the abura-age provide sufficient stability. The surface of each pouch should remain soft and glossy; any drying or toughening of the tofu skin indicates inadequate covering.