The most common and most likely answer to this crossword clue is the 7 letter word PARFAIT
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Buddy explains!
The straight part
We know that "dessert" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case dessert = parfait.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 PARFAIT mean?
PARFAIT noun- A French parfait (parfait glacé), an iced dessert made with egg yolks, sugar, cream, and flavouring (usually fruit), sometimes with the addition of a liqueur.
- An American parfait, a layered dessert often consisting of fruit, ice cream, pastries, whipped topping, etc. and served in a glass, often a parfait glass.
- A smooth pâté, usually made from liver and flavoured with liqueurs.