Today, I was steaming some kale, and decided to try steaming some avocados as well, so I added them for the last 2 minutes of steaming (out of approximately 6 minutes).

To my surprise, the avocados came out tasting exactly like the yolks of hard boiled eggs. The texture was mushier, but the taste was the same.

Does anyone have a good explanation for why this happened?

P.S. I poured a good amount (enough to give a light coat) of extra virgin olive oil onto the kale before steaming.

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    Commented Jun 24, 2012 at 4:37
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    – Mike K.
    Commented Jun 24, 2012 at 4:39
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    @MikeK. There's not really a ton of extraneous detail in that question. (Plus it was written two years ago, well before Aaronut had anything close to 29k rep.) But you're of course welcome to edit your question further if you feel Aaronut didn't preserve important aspects of it.
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    Commented Jun 24, 2012 at 4:43
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    No it's fine I was rambling while still in shock from the avocado. Though having your voice stripped from your question is somewhat disheartening.
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    If it's any consolation, the most common problem with new-ish members is too little detail, which usually leads to closes, not edits. Plus, you got a few upvotes after the edit. It's fine to add a bit of personality, just don't let it bury the actual question - otherwise your question won't get answered due to the "tl;dr" effect (we know from experience).
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    Commented Jun 24, 2012 at 11:18

1 Answer 1


It boils down to chemical make up. Avocados, like egg yolks, contain a decent amount of fats, carotenoids, and sulfurous compounds. Avocados are one of the most concentrated fruit sources of fats and fatty acids. Both egg yolks and avocados contain carotenoid phytochemicals like lutein, zeaxathanin, and a-carotene. In avocados the sulphur is mostly in the form of glutathione, would likely break down into its cysteine during steaming. Cysteine is one of the primary sulphur sources in eggs as well.

  • 3
    Great answer. But I suppose that steaming it together with kale had the most impact. Avocados don't have that much sulfur, while kale is full of it.
    – rumtscho
    Commented Jun 24, 2012 at 10:04

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