Japanese · Japan

Kuri Okowa Sweet Chestnut Sticky Rice Autumn Festival

Kuri okowa is steamed glutinous rice (mochigome) combined with whole peeled chestnuts (kuri), cooked together until the chestnuts become tender and the glutinous rice achieves its characteristic sticky, chewy texture. The dish is an essential autumn festival food, representing the harvest season and appearing at autumn moon viewing (tsukimi) gatherings, autumn matsuri (festivals), and as part of osechi preparations. The preparation requires soaking the glutinous rice overnight, then layering with peeled raw chestnuts and a seasoned liquid (dashi, soy, mirin, sake, salt) before steam-cooking in a steamer for 40-50 minutes. The chestnuts turn golden and their natural sweetness is absorbed by the rice, creating a harmony of earthy-sweet chestnut flavor with the substantial, slightly sweet glutinous rice. Black sesame seeds (kurogoma) are scattered over the finished dish for visual contrast and flavor depth. The dish appears throughout Japan in autumn but Kyoto's version tends to be more delicately seasoned. A simpler home version uses a rice cooker with glutinous rice setting. The seasonal meaning—harvest, abundance, natural sweetness before winter—is embedded in every serving.

ServesFour portions

Total9 hours (including overnight soak), 45–50 minutes active steaming

Sourced1of 8 in BC

Cook

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400 g

mochigome (glutinous rice)

soaked in cold water minimum 8 hours, drained

Not yet stocked in British Columbia

200 g

raw chestnuts (kuri)

outer shell and inner brown skin (shibukawa) fully removed; score an X on the flat side, boil 3 minutes, peel both skins while warm

Not yet stocked in British Columbia

For the seasoned liquid

200 ml

dashi

Not yet stocked in British Columbia

1 tbsp

soy sauce

light hand to allow chestnut sweetness to lead

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1 tbsp

mirin

Not yet stocked in British Columbia

1 tbsp

sake

Not yet stocked in British Columbia

½ tsp

salt

Your own market

To finish

1 tsp

kurogoma (black sesame seeds)

scattered over finished dish

Not yet stocked in British Columbia

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The Method

Score an X on the flat side of each chestnut shell. Boil the chestnuts for 3 minutes. Remove one at a time, keeping the rest warm in the water, and peel away both the outer shell and the inner brown skin (shibukawa) completely. Any shibukawa left will introduce bitterness to the rice.

Drain the soaked mochigome thoroughly. Combine dashi, soy sauce, mirin, sake, and salt in a bowl and stir to dissolve the salt. Add the drained rice and stir briefly to coat, then add the peeled raw chestnuts and fold them through gently so they distribute evenly among the grains.

Bring the steamer to a rolling boil. Line the steamer basket with a dampened cotton cloth or muslin. Spread the rice and chestnut mixture evenly in the lined basket, leaving a small well in the centre for steam circulation. Pour any remaining seasoned liquid evenly over the surface. Set over the boiling water and steam, covered, for approximately 45 minutes. This is where the dish lives or dies: insufficient soaking or steaming time leaves hard, chalky centres in both rice and chestnut, while the correct 45 minutes transforms the rice to its characteristic sticky, chewy texture and the chestnuts to tender gold.

At the halfway point — approximately 20–25 minutes — lift the lid and stir the rice gently with a dampened rice paddle, turning the outer grains toward the centre and redistributing the chestnuts. Replace the lid and continue steaming for the remaining time. Even heat distribution is confirmed when no dense, dry pockets remain at the surface.

The rice is done when each grain is uniformly translucent, cohesive, and pulls with a distinct chew; the chestnuts yield cleanly under light pressure without resistance or crumbling. Turn into a serving vessel, scatter black sesame seeds (kurogoma) over the surface for visual contrast and depth, and serve promptly.

III

Quality Hierarchy

Reserve — Freshly harvested autumn kuri, ideally large Japanese Tamba chestnuts with dense, sweet flesh; new-crop mochigome from the same season; house-made dashi from katsuobushi and kombu.

Estate — Named-variety domestic chestnuts, peeled to order; quality mochigome with good moisture retention; good-quality commercial dashi stock.

Market — Reliable vacuum-packed fresh chestnuts, fully peeled; standard supermarket mochigome; instant dashi (dashi-no-moto) used at measured strength.

House — Jarred or tinned whole chestnuts (unsweetened); any available glutinous rice; dashi from granules. The dish remains serviceable though the delicate interplay of chestnut sweetness and rice starch is diminished.

Sensory Tests

◇Sight. Each grain of rice is uniformly translucent with no white, opaque centres remaining.

◇Touch. A chestnut pressed lightly with a fingertip yields cleanly through without resistance or chalky crumble.

◇Sight. The chestnuts have turned a deep, even gold, their natural sugars concentrated by the steam.

◇Touch. The rice mass pulls apart with a distinct, cohesive chew — neither dry nor wet-sticky.

◇Where it lives or dies. The dish lives or dies at the steam: rice insufficiently soaked or steamed short of 45 minutes will carry hard, chalky centres, while the full time over vigorous steam yields the hallmark sticky, chewy texture and golden, tender chestnuts.

V · Cross-Cuisine Parallels

Chinese: Glutinous rice steamed with lotus seeds and chestnuts — the same logic of starchy sweet nuts absorbed into festive glutinous rice for harvest preparations (The Thread, Shizuo Tsuji — Japanese Cooking: A Simple Art). Korean: Yaksik, sweet glutinous rice with chestnuts and jujubes — chestnuts as the primary ingredient in a festive, special-occasion steamed rice (The Thread, Shizuo Tsuji — Japanese Cooking: A Simple Art).

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