RecipesMother Preparations

M08

Coconut Milk, Three Extractions

Onnaam, randaam and moonnaam paal from one coconut

Low SodiumVegan
A box of whole dry spices

Photograph: Adobe Stock · representative of the dish

YieldMakes about 940 ml in three grades:
Active20 minutes
Total20 minutes
DifficultyEasy
The re-engineeringNothing is reduced. What changes is where the milk goes: thick milk off the heat, thin milk in the pot. A curry finished properly with 120 ml of first milk tastes richer than one boiled with 200 ml, so the technique is itself the fat reduction.

Onnaam, randaam and moonnaam paal from one coconut [LOW SODIUM] [VEGAN]

One large coconut gives three liquids of three strengths, and Kerala cooking uses them for three different jobs. Tinned coconut milk is one liquid pretending to be all three, which is why tinned olan is either too rich or too thin and never right. Twenty minutes gives you nearly a litre of graded milk plus a bowl of thengaappu — the spent gratings, which still hold most of the coconut's fibre and belong in a thoran.

Before you start: Warm the water to about 50°C (120°F) — hot to the finger, not scalding. Warm water extracts noticeably more fat than cold; boiling water starts cooking the proteins you need intact.

Coconut Milk, Three Extractions

Active 20 minutes Total 20 minutes
Scale 940 servings

Ingredients — tap to tick off

  • 400 g (about 4 cups) freshly grated coconut, from 1 large coconut
  • 820 ml warm water, divided: 120 ml, 300 ml, 400 ml

Allergens: None of the major allergens.

Equipment: Coconut scraper (thenga chirava) or box grater; mixie; muslin or a fine nylon sieve. Substitute: a thin cotton tea towel, at a cost of about 20 ml lost to the cloth.

Method — tap a step to mark it done, tap a time to start a timer

  1. Grind the coconut with 120 ml warm water in 10-second bursts, 30–45 seconds in total, stopping before the jar feels warm to the back of your hand. A warm jar means the fat has begun to separate.
  2. Press the mash hard, a handful at a time, through muslin over a bowl, twisting until the pulp gives nothing more: about 200 ml of first milk, thick and opaque, the colour of full cream. Set it aside away from the hob.
  3. Return the mash to the jar with 300 ml warm water. Grind 15–20 seconds and press again: about 320 ml of second milk, thinner and distinctly coconut-flavoured.
  4. Repeat with 400 ml water for about 420 ml of third milk, barely more than flavoured water.
  5. Cook with the third and second milk; vegetables, fish or meat may simmer freely in them.
  6. Finish with the first milk off the heat, or at the barest tremble where a bubble breaks the surface every few seconds and no more. Swirl the pan; do not stir. Done when the milk is warmed through, , and not a moment longer.
Why this worksCoconut milk is an oil-in-water emulsion held together by a film of coconut globulins at the surface of each fat droplet. Boiling denatures those proteins so they stop sitting at the oil–water boundary, while the agitation lets unprotected droplets coalesce: clear oil above, grainy curds below, irreversibly. Second and third milk survive heat because there is far less fat to separate.
Sourcing note

Frozen grated coconut in 400 g bags works for all three extractions and is what most diaspora readers should use; thaw it fully. Desiccated coconut does not work — it has been dried and defatted and yields a thin, chalky liquid. A tin of full-fat coconut milk is the honest last resort: undiluted as first milk, 1:1.5 with water as second, 1:3 as third.

If you are watching…

Cholesterol: first milk is 21 g of saturated fat per 100 ml and it is the largest saturated-fat source in Kerala home cooking. Two things follow. Use the graded extractions rather than tinned milk, so most of a curry's volume is second and third milk. And keep the whole coconut in your diet: fresh grated coconut carries about 10 g fibre and 3.8 g protein per 100 g, where coconut oil carries neither.

Swap it

Tinned full-fat coconut milk → as in the sourcing note. Flavour is flatter and slightly cooked, and you lose the thengaappu.

Coconut milk powder → convenient, keeps well, noticeably sweeter.

No coconut at all → 40 g cashews blended with 200 ml water gives comparable body, a different flavour, less saturated fat and more monounsaturated. (Allergen: this swap introduces tree nuts (cashew).)

Make ahead · store · freeze

Fridge 2 days covered, in a non-metal container; the fat sets on top and stirs back in cold. Freeze 2 months — first milk in an ice-cube tray at about 30 ml a cube, thawed in the fridge rather than the microwave. Use within 4 hours if the kitchen is above 30°C (86°F); fresh coconut milk sours fast in Kerala heat.

Leftovers

Second and third extractions are the leftovers of this preparation and they are the most useful things in it. Keep them in separate jars, use the second in place of water in a sambar, a dal or a vegetable stew, and freeze the third in an ice tray for kanji. First milk left over from a curry goes into a payasam or into the next morning's appam batter. Coconut milk sours quickly, so smell it before every use.

Troubleshooting

Split, oily curry with grainy curds: the first milk boiled. No repair. Next time, off the heat.

Thin, watery first milk: the coconut was machine-chopped rather than scraped, or the water was cold. A grater shreds into long wet flakes that release milk; a processor chops into granules that keep it.

Frozen milk thawed grainy: normal. Blend 10 seconds and it comes back.

Serve with
R068 Kumbalanga Olan · R041 Kerala Chicken Stew · R025 Meen Moilee · R001 Palappam · R113 Ada Pradhaman, with the Arithmetic Shown — and, more broadly, mappas and moilee, fish and prawn curries, vegetable kurma, kanji, and the payasam family.

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