The most common and most likely answer to this crossword clue is the 8 plus 6 letter word VICTORIA SPONGE
I've seen this crossword clue in The Times
V
I
C
T
O
R
I
A
S
P
O
N
G
E
More clues leading to the result VICTORIA SPONGE
- Very fresh apricot goes in cake
- Something for tea — Veronica’s to pig out
- I prove agnostic about cake
- Winner by a nose: pig out on this?
- Cake covering – top is a spread
- Whiff of Melbourne, perhaps, with English cake
- Top dog turned first-class scrounge getting sandwich
- Invigorate cops cooking cake
- Pain goes away after winner gets the cake
- Cake covering - top is a spread
Buddy explains!

The straight part
We know that "Something for tea" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case something for tea = victoria sponge.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.