The most common and most likely answer to this crossword clue is the 4 letter word TBSP
T
B
S
P
Buddy explains!
The straight part
We know that "Serving" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case serving = tbsp.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 TBSP mean?
TBSP noun- A large spoon, used for eating food from a bowl.
- A spoon too large for eating, usually used for cooking or serving.
- A unit of volume, the value of which varies regionally; in the US: three teaspoons or roughly 15 ml; in Britain and Canada: exactly 15 ml; in Australia: four teaspoons or 20 ml.