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One joking characterization of a topologist is someone who can't tell their donut from their coffee mug. As a novelty, I would very much like a food I can drink coffee out of. Does this exist? If not, what could I do to make it? It doesn't have to be anything like a donut, but if it is, that would be excellent.

user2357112
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  • All of the solutions in http://cooking.stackexchange.com/q/40024/67 can't handle hot liquids. – Joe May 07 '14 at 01:24
  • Thou shalt avoid using a preposition in a sentence on which to terminate with. Anyway, logically speaking, anything that could withstand hot liquids would also be hardly digestible. – Cynthia May 07 '14 at 04:34
  • What about a hollowed-out pumpkin? Or does it have to be something that you can eat after you've finished the coffee? – Dawood ibn Kareem May 07 '14 at 13:01
  • @BlessedGeek I don't think temperature resistance or structural integrity have much to do with edibility. Think of root vegetables for example. That's also a made up nonsense rule; English SE has a good question about it if I recall correctly. – Matthew Read May 07 '14 at 22:07

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As far as foods that double as dishes, off the top of my head I could only thing of a bread bowl for soup. You could certainly drink coffee out of a bread bowl, but I don't think it will be enjoyable.

A bit of googling leads me to:

The trick behind this is that it's a cookie lined with "special icing sugar" that works as a semi-waterproof barrier and an insulator. It will dissolve over a long enough time, though, and will sweeten the coffee as it sits in the cup. I can't find any information on when it hits stores, but it's a Lavazza product.

derivative
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    Ooh, nice. From the image, it doesn't look like it's topologically equivalent to a donut, but that should be fixable easily enough by poking a hole in the handle. (I don't require something topologically equivalent to a donut, but having the equivalence is a plus.) – user2357112 May 07 '14 at 01:34
  • Stipulate that it's equivalent to a [long john](http://www.amazingglazeonline.com/chocolate-long-john.php)? Though then you've got the filling to contend with... – derivative May 07 '14 at 01:43
  • Coffee and bread are delicious together, just drink the coffee first. – Escoce Mar 12 '15 at 13:52
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As long as you're content with single-use edible containers, a hard vegetable which can be eaten raw would serve. For example, you could drill a carrot to make a shot glass; if you get a big carrot then it would hold an espresso. The flavour imparted might not be so great, though: it would probably be better for vodka or other beverages which are known to mix well with carrot juice, because even if you dry the inside after drilling juice will continue to leach into it.

Repeated use would suffer from problems of mould, as well as from the inner surface becoming cooked.

Peter Taylor
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As a child, if i was every lucky, i used to have hot chocolate and croissants on saturday mornings. One thing i would do is tear one of the arms off the croissant, dip it into the hot chocolate, and use it as a tiny drinking horn.

A quarter of a century later, we live in an age when humanity has the technology to deep-fry croissants.

It is surely not beyond the wit of man to put these two ideas together: make some sort of cup out of croissant dough, probably bake it a bit to give it some shape, then deep-fry it.

It won't be the same texture as a doughnut. It will, however, be topologically equivalent to a doughnut - a jam doughnut!

Tom Anderson
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I'd attack this by making a cup shaped pastry (or some kind of hard cookie dough in a cup shape) and then sealing the inside of it with high temperature chocolate. You could then serve coffee in it as long as it isn't too hot to melt the chocolate.

Note that regular chocolate melts at too low a temperature, you'd need to shop around for the right product.

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GdD
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  • And because chocolate melts at temperatures between 30 and 33 Celsius, you are practically limited to lukewarm and iced coffee. Which makes it completely irrelevant to most coffee drinkers. – rumtscho May 07 '14 at 11:30
  • True, but there are chocolates with higher melting temperatures. See my edit. – GdD May 07 '14 at 12:12
  • I have never heard of such chocolates. I opened a question on them, maybe you could go in detail about them there? http://cooking.stackexchange.com/questions/43977. – rumtscho May 07 '14 at 15:38
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This is probably as close as you are going to get, at least that I know of.

http://www.eater.com/2015/2/25/8106849/kfc-edible-coffee-cups-cookie-cups-buckets-fried-chicken

draksia
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