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Without killing yourself or others?

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is this for fresh, green coconut, or not fresh, brown, hairy ones? – Sam Holder Jul 13 '10 at 8:48
related --… – Joe Jul 13 '10 at 11:02
English or African :-) – bmargulies Jul 13 '10 at 12:05

The best way to open a brown hairy coconut, not a fresh green one (assuming you are right handed, I imagine that sinister people can reverse the instructions, but I've not tried it).

First image the coconut is a head, everything is related to this, so the visualization is important. The three holes are the eyes and mouth of the face. They naturally form an eyes/mouth thing. you'll see that it only really looks like a eyes/mouth one way up. stare into its eyes (this bit is not so important, but I like to do it).

Now hold it in your left palm, under its chin/where the neck would be, with the 3 holes in the coconut arranged like the eyes and mouth of a face looking out to the right, mouth below the eyes, with the hair pointing up. There will be a slight 'seam' running between the eyes and back over the top of the head.

Then take a large, heavy knife and using the FLAT side of the knife (not the sharp edge), a meat cleaver works best, strike the coconut hard across the coconut's 'forehead', where its hair line would be, aiming to impact exactly on the 'seam'. You might need a few goes to get the crack right open, but sometimes it can be done in a single strike.

Get this right and it will crack in a straight line from ear to ear along the hair line. Works a treat. And usually you can use the shell for something as you get a clean break.

Once you have the first crack you can either prise apart or rotate the coconut in your hand and hit it a couple more times on the uncracked parts, following the same line as the first crack, to completely separate the two pieces.

Alternatively you can stick it into the oven for 15 mins, @400F, after which the shell should have started to crack. Then you can use the tool of choice to finish the cracking, rolling pin, hammer, wrench, flat of knife another coconut, whatever. But where is the fun in that?

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I work along the seam, rotating / hitting as I go ... yours sounds like you're focusing in one place? – Joe Jul 13 '10 at 11:33
yeah, I find that a sharp blow in the right place creates a crack across about half the coconut, which you can then prise open, or you can rotate and hit again to completely separate. I've added this info to the answer. – Sam Holder Jul 13 '10 at 11:38
This could use an image to demonstrate :) – jmoeller Jul 13 '10 at 11:46
@jmoeller: I'll work on that. Not sure my ascii art is that good ;) – Sam Holder Jul 13 '10 at 13:14
+1 for the fun factor – BaffledCook Apr 28 '12 at 9:23

The easiest way is to use oven. I find that 190C/375F is convenient.

Before placing it in the oven you should drain the water from the coconut. Drilling the 2 of the 3 holes with a hammer + screwdriver works fine.

After removing from the oven after about 15 minutes use a hammer to easily crack open the coconut. If it's not easily cracked, let rest for a few more minutes.

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+1: This is absolutely the best way to not chop your hand off. I recommend using an actual drill to drill the holes...It works great. Obviously make sure your drill bit is clean (I actually have a couple I use just for food). – Satanicpuppy Jul 13 '10 at 16:01
The best way to get the water out without resorting to electric tools is to use a corkscrew. One of the eyes is soft and you can get a corkscrew in and then just pull it out to create a nice clean hole – Sam Holder Jun 28 at 9:48

The brute force way is with a machete :) However, you can also do it with a small handsaw (which is useful if you want to use the shell for something - they make cool hiding places for fishes in an aquarium). Otherwise, you can split it with a wide chisel and a hammer.

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For fresh coconuts, the machete is king (at least in Brasil). – Curry Jul 10 '10 at 0:45
I would use a hammer instead. – Wizard79 Jul 13 '10 at 9:23

If you're just looking to get the milk out, poke two of the "eyes" and drain. Don't laugh, but find a concrete floor and quickly bang the coconut and it will split into fairly even pieces. Be careful because the edges can get sharp....

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Along the circumference of the coconut, draw line with water. This creates a fissure line. Then hit hard on this line with a small rock or equivalent & Voila! Dont believe me? Try it!

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I've got to try this... – Sam Holder Jul 21 '10 at 11:06

Here's a video of how to do it:

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I removed the portion of your answer which was copied from someone else's. Now all that's left is a link to a video, which isn't terribly useful - we'd prefer you summarize the method here so people can just read it. – Jefromi Dec 29 '13 at 15:58
While this link may answer the question, it is better to include the essential parts of the answer here and provide the link for reference. Link-only answers can become invalid if the linked page changes. – SourDoh Dec 30 '13 at 22:59

When I was a child, my father would bring coconuts home. He would puncture the eyes and drain the juice, then my siblings and I would run up to a second-story window and drop the coconut onto the asphalt. Worked pretty well.

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Since you didn't say you want to retain the coconut water, just use a big ol' axe!

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