The most common and most likely answer to this crossword clue is the 5 plus 4 letter word SUGAR BEET
I've seen this crossword clue in The Guardian
S
U
G
A
R
B
E
E
T
More clues leading to the result SUGAR BEET
- Fat guards not quite clothed providing foodstuff
- Half-hearted beggar wandering amid fat farmer's crop
- Vegetable in barge converted into fat
- Nasty grub eats last of the root crop
- Plant used to sweeten retro tomato sauces — mash soundly
- English boast about cutting fat, supplying raw material for sweetener
- As beer gut wobbles, something sweet in that
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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.