Start making pastries (5)
I believe the answer is:
tarts
'pastries' is the definition.
(tart is a kind of pastry)
'start making' is the wordplay.
'making' is an anagram indicator.
'start' with letters rearranged gives 'TARTS'.
(Other definitions for tarts that I've seen before include "Pastry cases with fillings" , "cakes" , "Small open pies" , "Desserts" , "Open pastries" .)