Wai kāuru — sweet drink from tī kōuka root
The fibrous root of the cabbage tree is cooked very slowly to transform its starch into sugar, then steeped in water to extract a sweet, fragrant beverage. The only true 'sweetness' in the pre-contact Māori world.
The fibrous root of the cabbage tree is cooked very slowly to transform its starch into sugar, then steeped in water to extract a sweet, fragrant beverage. The only true 'sweetness' in the pre-contact Māori world.
You think sweetness exists only in berries? Patience, mokopuna. Take the root of the tī kōuka, hard and fibrous, and entrust it long, very long, to the heat of my umu — two days, perhaps three. Fire will change its blandness into honey. Then steep it in clear water, and drink: it is the rarest of gifts, sweetness wrested from wood by flame.
- •Root and heart of tī kōuka (cabbage tree) — one large root (source of sugar)
- •Spring water — as needed (extraction and beverage)
- •Umu tī (prolonged earth oven) — 1 (long sweetening cooking)
Wai kāuru — sweet drink from tī kōuka root
The fibrous root of the cabbage tree is cooked very slowly to transform its starch into sugar, then steeped in water to extract a sweet, fragrant beverage. The only true 'sweetness' in the pre-contact Māori world.
Why this dish? The root of the tī kōuka (cabbage tree) yields its sugar only after several days of cooking in the umu tī, a giant earth oven — again the fire of Mahuika. This rare sweetness, in a world without bee honey or sugar, made wai kāuru a celebratory drink.
You think sweetness exists only in berries? Patience, mokopuna. Take the root of the tī kōuka, hard and fibrous, and entrust it long, very long, to the heat of my umu — two days, perhaps three. Fire will change its blandness into honey. Then steep it in clear water, and drink: it is the rarest of gifts, sweetness wrested from wood by flame.
Ingredients (period version)
- Root and heart of tī kōuka (cabbage tree) — one large root (source of sugar)
- Spring water — as needed (extraction and beverage)
- Umu tī (prolonged earth oven) — 1 (long sweetening cooking)
Ingredients
- Tī kōuka root if harvested (otherwise chicory or parsnip root) — 300 g (starch to caramelize)
- Water — 1 litre (extraction)
- A squeeze of lemon juice (optional) — a few drops (balance)
Method
- In the absence of tī kōuka, the principle is reproduced with a sweetenable root (parsnip or chicory).
- Cut the root into large pieces and cook very long and very slowly (oven at 150°C, covered, 4–5 hours) to convert starch into sugars.
- Cover the candied pieces with water and let steep for several hours, ideally overnight.
- Strain; taste and adjust with a squeeze of lemon if needed.
- Serve chilled or warm, like a fragrant sweet water.
How it was made : Kāuru refers to the root and trunk of tī kōuka cooked in an umu tī, a special earth oven that could operate for one to two days. This cooking hydrolyzed inulin into fructose: the sweet fiber was chewed or steeped in water for a sweet beverage. It was the main source of concentrated sugar, especially in the South Island. The domestic version here is only an evocation of the process.
The contemporary twist : Reduce the infusion to a light syrup and drizzle over a slice of roasted kūmara: a 'dessert' faithful to the only ingredients of Aotearoa.
Mahuika · Charactorium