The most common and most likely answer to this crossword clue is the 10 letter word MORTADELLA
I've seen this crossword clue in The Daily Telegraph
M
O
R
T
A
D
E
L
L
A
More clues leading to the result MORTADELLA
- Meaty stuff signalled, a trombone part coming up
- Some called at Rome on the way back for Italian food
- Italian sausage made using mostly old meat and lard
- On the way back, called at Rome, partly to get a sausage
- Sausage roll made at Barking
- Lo, lard and meat made into a sausage!
- Sausage meat — dollar spent
Buddy explains!

The straight part
We know that "Sausage" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sausage = mortadella.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 MORTADELLA mean?
MORTADELLA noun- A smooth-textured Italian pork sausage with lumps of fat, flavoured with spices; eaten cold.