The most common and most likely answer to this crossword clue is the 5 letter word AIOLI
A
I
O
L
I
More clues leading to the result AIOLI
- Oscar, in trouble, beginning to imbibe the sauce
- Meat cut up served in excellent sauce
- Some filo I asked to be rolled in seasoned sauce
- Calico, plain, regularly used for dressing
- Dressing uncovered maid, not slim
- Excellent new oil or mayonnaise
- Excellent oil shaken to make mayonnaise
- Premium oil mixed in this?
- Top quality oil stirred into dressing
- Dressing in calico — plain — regularly
Buddy explains!

The straight part
We know that "mayonnaise" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case mayonnaise = aioli.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 AIOLI mean?
AIOLI noun- A type of sauce, similar to mayonnaise, made from garlic, egg, lemon juice and olive oil.