The most common and most likely answer to this crossword clue is the 4 plus 3 letter word SPAG BOL
S
P
A
G
B
O
L
More clues leading to the result SPAG BOL
- Dish, German, in Baden-Baden … maybe throw up
- Health centre with good serving, though not with pasta dish
- Nearly all poly bags recycled for food in Italy
- Something tasty served up, gentle delivery breaks to the left
- Pals go crazy about British trat speciality
- Food for missing links and throwbacks?
- Food blog designed to support resort
- Pasta meal in health centre, good dish wife ruled out
- Type of worm breaks up pasta dish
- Dish, German, in Baden-Baden ... maybe throw up
Buddy explains!

The straight part
We know that "trat speciality" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case trat speciality = spag bol.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.