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Is putting cold milk foam on hot coffee unsafe?

up vote 14 down vote

I've been told that its not safe because of the temperature difference, but I also know that people put whipped cream on stuff like hot chocolate, so why wouldn't it be safe to put cold foam on hot coffee?

2 Answers

up vote 4 down vote accept

I suppose it's unsafe in a way similar to drinking microwaved liquids:

Customer may feel the cold foam and take a big sip, not immediately noticing that the coffee itself is boiling hot?

up vote 3 down vote

There is no safety issue with adding cold milk foam to hot coffee. Coffee aficionados recommend against adding cold milk to hot coffee, because they suggest it compromises the flavor of freshly brewed coffee. Their recommendation is that any milk, foam or not, should be warmed, but it is not a food safety issue.


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Is putting cold milk foam on hot coffee unsafe?

up vote 14 down vote

I've been told that its not safe because of the temperature difference, but I also know that people put whipped cream on stuff like hot chocolate, so why wouldn't it be safe to put cold foam on hot coffee?


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up vote 9 down vote

I suppose it's unsafe in a way similar to drinking microwaved liquids:

Customer may feel the cold foam and take a big sip, not immediately noticing that the coffee itself is boiling hot?

edit

That video is not what a normal person does. If you microwaved a cup of water repeatedly a dozen times, causing all dissolved air to be released, then yes, this can happen, but you can do this just the same with a normal kettle. This is a deliberate act to create conspiracy though. Superheated water isn't new, but you have to do something extraordinary to create it, and it's just not something you do by accident very often. - Nelson Oct 18 at 3:06

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