What does the cryptic crossword clue "Tot up fries excitedly and fancy pastries (5,5)" mean?

The wordplay uses an anagram. anagram of TOT + UP + FRIES = PETITFOURS The answer is PETITFOURS.

Tot up fries excitedly and fancy pastries (5,5)

Daily Mail Cryptic #17062 | 11 Across | 2023-03-27 flower