Ich bin verwirrt...
Was ist denn der Unterschied zwischen ein Becher und eine Tasse? Sind sie das gleiche, oder?
Danke im Voraus.
It's not straightforward, because in German, we differentiate between Becher and Tasse in a different way to how you would differentiate between mug and cup in English.
A Tasse is generally made of earthenware or plastic and has a handle. So, a fine bone china cup you'd drink tea out of would be a Tasse, but so would the souvenir "I Love Paris" mug you bought for your auntie on your last trip to France.
A Becher usually lacks a handle, and tends to be made of paper, plastic or metal. So, those white plastic cups you'd get from a water dispenser, for example, are Becher, not Tassen.
Why don't you put "Tasse" and "Becher" into google image search to get a better idea.
On the other hand, the difference between "Kaffeetasse" and "Kaffeebecher" is usually the size and, to a lesser extent, the shape (Tasse has a more tapering/rounded shape towards the bottom, Becher is more cylindrical) - but both have handles.
You'll find places that will sell you coffee either by the Tasse or by the Becher, in which case the latter is a larger amount of coffee since the container is bigger.
But the plastic/cardboard take-away coffee containers (without handles) are also "Becher"... it's complicated.
We don't really use the word "Kaffeebecher" in the south, instead we call those "Haferl", I think ;-) UNLESS they are made of paper, like those take-away ones you get at Starbucks, etc, those are still Becher.
You're right, in Bavaria they call a mug 'a Haferl' - although this is not a word used throughout Germany as Bavaria has its own dialect ;-)
Is Papier-Tasse completely nuts to say for coffee in take-away cups? I have said that word on lots of occasions while in Germany.
It's not correct, but it would be understood. Clearly, as you got your coffee, didn't you? ;-)
Next time you get the chance, try Papierbecher, Becher zum Mitnehmen, or just Becher.
Unfortunately Google images isn't that helpful in this case. It's not particularly definitive.
Your explanation was much clearer.
In a few German-language recipes I've seen that aren't written with metric measurements I've seen "Becher" used for "cup."
Those are very often recipes where you add a "Becher" of yogurt or (sour) cream or something similar and then use the empty "Becher" to measure the other ingredients. So it doesn't really refer to a cup, but to a plastic container for dairy products.
Here is a list of so called "Becherkuchen" using that idea: http://www.chefkoch.de/rs/s0/becherkuchen/Rezepte.html