The most common and most likely answer to this crossword clue is the 7 letter word RISOTTO
I've seen this crossword clue in The Sunday Telegraph
R
I
S
O
T
T
O
More clues leading to the result RISOTTO
- Dish — very dry, provided in port
- Italian dish is extreme, eaten by half of Rome
- Food: seconds during orgy 'eated up
- Dish knocked over by German gentleman
- Father cut up over overdone duck dish
- Italian dish completely different to rosti
- Teacher brought up possible German course
- Rice dish is too much in centre of St-Tropez
- Retired teacher loves eating dry food
- Course teacher set up on Bismarck
Buddy explains!

The straight part
We know that "Italian dish" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case italian dish = risotto.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does RISOTTO mean?
RISOTTO noun- An Italian savoury dish made with rice and other ingredients.