The most common and most likely answer to this crossword clue is the 7 letter word CASSATA
I've seen this crossword clue in The Times
C
A
S
S
A
T
A
More clues leading to the result CASSATA
- In Caracas sat awaiting ice cream
- Ice cream son accepted in house in Rome, with thanks
- Mammal eating mammal, a cold dish
- Gelato was fitting in Italian house
- Money being short, settled down with a sweet
- Exemplar of 17 domestic pet with a round backside
- Dessert that’s frozen cold like peanutty dish? Not quite
- Idiot fed to moggy a very cold food
- Tiger perhaps eating idiot with a sweet
- Accountant on ship has regular actual ice cream
Buddy explains!

The straight part
We know that "Ice cream" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case ice cream = cassata.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 CASSATA mean?
CASSATA noun- A type of tutti-frutti or Neapolitan ice cream with nuts and candied fruits.
- A rich cake, typical of Sicily, containing liqueur layered with ricotta, candied fruit and chocolate.