Where does all that extra green come from?
In: Biology
You’re physically changing the plant by cooking it. Some of those changes involve the parts that have the green bits in them, and it’s that change that makes the green brighter.
Because you’re boiling it in water, some of those bits leak out into the water, the same as what happens when you make tea or coffee. It happens because the hot water is hot, which means it has energy, and because hot water is water, which is good at dissolving things. Energetic dissolving means you get parts of the veggie sucked out into the water. Even when steaming, the steam will condense and make liquid water on the surface of the broccoli, and that water will mix with the rest of the water and steam and carry the green bits with it.
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