The most common and most likely answer to this crossword clue is the 7 letter word RENEWAL
I've seen this crossword clue in Financial Times
R
E
N
E
W
A
L
More clues leading to the result RENEWAL
- Replacement of kidney we set up internally
- Continuation of American’s truly gripping novel
- Madrid team accepting fresh makeover
- Replacement of kidney involving theatre crew ultimately
- Restoration novel in authentic setting
- Fresh start after end of war: bugle’s last post sounded
- Novel in genuine setting? Library users may want that
- Repair of concrete fencing not everyone wanted at first
- Resurrection authentic!—short report inside
- Magritte reversed rules in act of modernism?
Buddy explains!
The straight part
We know that "Second helping" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case second helping = renewal.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 RENEWAL mean?
RENEWAL noun- The act of renewing.
- An offensive action made immediately after a parried one.