The most common and most likely answer to this crossword clue is the 5 letter word KEECH
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Buddy explains!
The straight part
We know that "fat that’s congealed in some places" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fat that’s congealed in some places = keech.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 KEECH mean?
KEECH noun- A mass or lump of fat rolled up by the butcher.