Forty-five days. That is the whole recipe. You make a bowl of rice on day one, you mix in two ingredients, you seal the jar, and then you wait. You stir gently every three or four days with a clean wooden chopstick. You watch for the bloom — the day the colourless rice and the dry red yeast become a deep wine-red liquid in the jar, and you know the fermentation is alive. On day forty-five you strain. The wine goes into bottles. The lees goes into a small jar. Both keep for years in the refrigerator. From one fifteen-minute morning of work and forty-five days of patience, you have a year of Foochow cooking. Red wine chicken mee sua for Chinese New Year. Ang chao razor clams for the heritage Foochow seafood platter. Ang chao chicken for any Sunday lunch. The wine and the lees are how Foochow households quietly anchor a year of meals.

Ang chao wine — ang jiu (the wine, 红酒), ang chao / hong zao (the lees, 红糟), 红糟酒 collectively in the Foochow heritage register — is the heritage Foochow red-glutinous-rice fermentation that produces TWO outputs from a single 45-60 day batch. The dish is a Source recipe in the technical sense — referenced from Recipe 33 (Red Wine Chicken Mee Sua, which uses the wine), Recipe 34 (Foochow Razor Clams, which uses the lees), and Recipe 35 (Foochow Ang Chao Chicken, which uses the lees as the dish's defining ingredient).

A note on heritage cross-culture worth establishing carefully, because this matters more than for any other recipe in this book. The same fermentation process produces a different heritage wine depending on whether or not you add red yeast rice (hong qu mi, 红麯米). Without the hong qu, the fermentation produces Hakka yellow rice wine (黄酒, huangjiu) — paler, milder, slightly sweet. With the hong qu, the fermentation produces Foochow red rice wine (红酒, hongjiu) — deeper, bolder, slightly tart with the characteristic monascus-yeast colour-and-character. (Source note: documented across Ye Traditions' "Red vs Yellow Rice Wine" canon and Singapore Noodles substack.) This is the recipe's central content insight: the same recipe, with one ingredient changed, becomes a different heritage wine. Hock Ko's home form is the Foochow red — what his Foochow grandmother taught him — but a reader who omits the hong qu and uses the same rice and yeast will produce a perfectly heritage-correct Hakka yellow wine. Both are heritage; both are real.

A note on the dual outputs and what each one is actually for. The 45-day fermentation produces:

Output A — Ang jiu (红酒, the wine). The strained liquid: deep ruby-mahogany-red, ~14-15% alcohol by volume, sweet-and-slightly-tart, fragrant. The wine is the heritage CNY-mee-sua ingredient — Foochow CNY breakfast tradition is mee sua in kampung chicken broth fortified with ang jiu, and the deep wine-red broth signifies prosperity and a long, joyous life. Reportedly heritage Foochow CNY practice serves the mee sua on the morning of the first day of CNY before the stream of visitors and relatives arrives — the most important meal of the year. The wine is also the heritage confinement-diet ingredient — Foochow mothers post-childbirth drink chicken broth fortified with ang jiu for 30 days.

Output B — Ang chao / hong zao (红糟, the lees). The strained-out fermented rice residue: brick-red-mahogany, coarse-textured paste with visible rice-grain structure, fragrant-and-slightly-tart. The lees is the heritage Foochow seafood-and-poultry-cooking ingredient — used as a marinade, a stir-fry base, and a braising medium across Foochow home cooking. Recipe 34 uses the lees as the dousing-medium that gives the razor clams their heritage Foochow character; Recipe 35 uses the lees as the marinade-and-braise that defines ang chao chicken's name. The lees also makes the famous Foochow preserved vegetable Chow Chai (糟菜) when packed with vegetables for further fermentation. (Source note: Noob Cook's heritage canon: "Both the wine lees and the wine are used to cook traditional Foochow dishes. They keep for years in the fridge — and according to my mum, they 'never' spoil.")

The same dual-output ferment is used in three distinct Foochow heritage cooking registers: CNY festival cooking (mee sua, reunion-table seafood, auspicious-symbol dishes); confinement-diet cooking (ang-jiu-fortified chicken broth for new mothers post-childbirth); and everyday Foochow cooking — a tablespoon of ang jiu deglazes a stir-fry; a tablespoon of ang chao seasons a chicken braise; a slosh of ang jiu finishes a steamed fish. Hock Ko's home form sits in the everyday register — a year of cooking ahead, anchored by one batch.

The dish has THREE heritage technical-discipline rules. Each one is non-negotiable, and each one prevents a specific failure-mode.

Rule one — sterile vessel, dry hands, cooled rice. Heritage Foochow practice is unforgiving on contamination discipline. The fermentation jar must be boiled-clean and fully dried before the rice goes in. The cooked glutinous rice must be fully cooled to room temperature. The cook's hands must be clean and dry during the massage step. The failure-mode prevented: contaminated jars produce vinegar, mould-floats-on-the-surface, or sour wine. Heritage signal of failure: black mould floating on the wine surface — NOT to be confused with the white-or-pale-mouldy substance that appears in the first 24-48 hours, which is normal fermentation activity and self-resolves once alcohol levels rise.

Rule two — heritage rice-cooking technique: steamed, NOT rice-cookered, never mushy. Heritage Foochow practice steams the glutinous rice over boiling water for 30-40 minutes, NOT cooked in a rice cooker. (Source note: Echo's Kitchen heritage canon: "It is better not to cook the glutinous rice using rice cooker as the cooker normally over cooks the rice and make it mushy, mushy rice made sourish wine.") Heritage register: the cooked rice should be distinctly grainy with each grain visible and intact, NOT a mushy uniform mass. The failure-mode prevented: mushy rice produces a sour wine because the over-cooked starches break down too rapidly during fermentation.

Rule three — gentle stirring every 3-4 days, lid loose to release CO2. Heritage Foochow practice stirs the fermenting mass gently with a clean dry wooden chopstick every 3-4 days during the first 2 weeks (primary fermentation), then weekly during the second 2 weeks (secondary fermentation), then leaves it alone for the final week (settling). The jar lid is placed on but NOT tightened — the fermentation produces significant CO2, and a tightened lid will burst the jar or spray wine across the kitchen. The failure-mode prevented: a tightened jar is an explosion hazard during primary fermentation; un-stirred mass develops uneven fermentation; over-stirred mass aerates excessively and risks vinegar conversion.

Two final notes worth establishing. The heritage Foochow taboos. Reportedly heritage Foochow practice in Sibu, Sitiawan, and other diaspora communities maintains a body of taboos around the wine-making — women who are menstruating are traditionally not allowed to take part in winemaking or be in contact with the wine jars during fermentation, for fear of contaminating the wine; some families also keep the wine hidden from view until the final product is ready. (Synthesis note: these taboos are heritage-traditional and reflect older cultural beliefs about ritual purity rather than modern scientific understanding of fermentation. Different heritage Foochow households observe the taboos to different degrees.)

The modern Foochow yellow wine substitution problem. Heritage Foochow red wine is increasingly hard to find at commercial Singapore-Malaysia supermarkets — most stocked "Foochow wine" is yellow, not red, and lacks the heritage hong-qu colour-and-character. The yellow commercial wine is a serviceable substitute but does NOT carry the same colour-anchor — dishes that depend on the heritage red colour register (CNY mee sua, ang chao chicken's defining colour) will not look right with yellow wine. The home-made heritage form below is the only reliable way to get the genuine deep wine-red.

This is the recipe that the Foochow chapter rests on. Recipe 33's red wine chicken mee sua. Recipe 34's razor clams. Recipe 35's ang chao chicken. None of them work without the wine and the lees from this jar. Forty-five days is a long time, but it is fifteen minutes of work followed by patience, and at the end of it the year is anchored.