What does the cryptic crossword clue "Surprise — no topping on top of the pastry (7)" mean?

The definition is "pastry". The wordplay uses a deletion. TARTLE (deletion) + T (deletion) = TARTLET; definition: "pastry" The answer is TARTLET.

Surprise — no topping on top of the pastry (7)

Times Cryptic #28833 | 19 Down | 2024-02-07 flower