What does the cryptic crossword clue "Dessert, for the most part, is tart (6)" mean?

The definition is "tart". The wordplay uses a deletion. HARLOT (deletion) + (deletion) = HARLOT; definition: "tart" The answer is HARLOT.

Dessert, for the most part, is tart (6)

Guardian Cryptic #29461 | 3 Down | 2024-08-14 flower