Japan — okayu (rice congee) has been eaten in Japan since the Nara period and was the standard convalescent food and temple breakfast for over 1,000 years. Sekihan (red rice) with azuki is the celebration food for birthdays, weddings, and festivals — the red colour represents joy. Takikomi gohan developed as a way to flavour rice economically during periods of scarcity, incorporating whatever seasonal ingredients were available.
While steamed plain white rice (shiroi gohan, 白いご飯) is Japan's most important food, Japanese rice cooking encompasses a spectrum of preparations that each deliver different flavours and experiences from the same grain. Key variations: Takikomi gohan (炊き込みご飯) — rice cooked with dashi, soy, and seasonings plus ingredients (mushrooms, chicken, chestnut, edamame) that flavour the rice from inside the pot; Okayu (おかゆ) — rice congee cooked with 5–10× the standard water ratio for a soothing, very soft rice porridge for illness or gentle eating; Sekihan (赤飯) — red rice cooked with azuki beans whose colour dyes the rice red (for celebration); Onigiri (おにぎり) — hand-pressed rice balls; Chirashizushi — scattered sushi rice in a bowl; Kamameshi (釜飯) — rice cooked and served in individual iron pots.
The gohan variations produce dramatically different experiences from identical raw material: plain shiroi gohan's flavour is the pure, slightly sweet, clean starch of Japanese short-grain rice — nothing else required. Takikomi gohan's rice has absorbed the dashi-soy cooking liquid, so each grain is seasoned from within — the flavour is richer, more savoury, more complex. Okayu's flavour is of dissolution — the grain has given up its structure to become a creamy, comforting medium; the flavour is very mild and the experience is primarily textural. Matsutake takikomi gohan is the season in a bowl: each grain of rice perfumed with the mushroom's extraordinary aroma.
Takikomi gohan: the standard ratio is 1:1 rice-to-water plus dashi, soy, sake, and mirin; the liquid must account for the moisture released by the ingredients. Rice absorbs specific amounts — too much liquid produces soggy rice; too little produces hard centres. The ingredients are added on top of the pre-washed rice, never mixed in before cooking — this prevents the bottom layer of rice from burning on the rice cooker element. After cooking, mix gently to distribute ingredients without mashing the rice. Okayu: begin with cold water; bring slowly to a simmer over 15 minutes; do not stir vigorously; cook until the rice has bloomed to a creamy, cohesive mass.
Matsutake takikomi gohan (松茸ご飯) — the most celebrated seasonal rice — uses sliced fresh matsutake, dashi, soy, and sake. The matsutake's aroma permeates every grain of rice during cooking; each grain tastes of the dashi and carries the distinctive spicy-pine-earthy matsutake character. Chestnut sekihan (kuri okowa, 栗おこわ) — glutinous rice steamed with chestnuts — is one of the most anticipated autumn preparations in Japanese cooking; the chestnuts must be freshly peeled from fresh chestnuts (September–October) for the characteristic sweet-starchy interior to develop fully in the steam.
Mixing takikomi gohan ingredients before cooking — ingredients touching the bottom burn. Over-stirring okayu — vigorous stirring produces a pasty, gummy texture; the ideal okayu has distinct rice grains suspended in a creamy broth. Not rinsing sekihan azuki water before cooking the rice red — the initial azuki boiling water is often bitter; use the second boiling water for colour.
Washoku — Elizabeth Andoh; Japanese Farm Food — Nancy Singleton Hachisu