The most common and most likely answer to this crossword clue is the 6 letter word LARDED
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The straight part
We know that "stuffed with bacon" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case stuffed with bacon = larded.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 LARDED mean?
LARDED verb- To stuff (meat) with bacon or pork before cooking.
- To smear with fat or lard.
- To garnish or strew, especially with reference to words or phrases in speech and writing.
- To fatten; to enrich.
- To grow fat.
- To mix or garnish with something, as by way of improvement; to interlard.
- Coated or stuffed with fat or strips of bacon etc