Bliss when simple starters of cherry stuffed tomatoes are consumed (7)
I believe the answer is:
ecstasy
'bliss' is the definition.
(I know that ecstasy is a type of bliss)
'simple starters of cherry stuffed tomatoes are consumed' is the wordplay.
'simple' becomes 'easy' (associated in meaning).
'starters of' indicates taking the first letters.
'are consumed' indicates putting letters inside.
The initial letters of 'cherry stuffed tomatoes' is 'cst'.
'easy' enclosing 'cst' is 'ECSTASY'.
'when' acts as a link.
(Other definitions for ecstasy that I've seen before include "State of elated bliss" , "Modern drug associated with dance raves" , "Great pleasure" , "Extreme happiness" , "Feeling of great happiness" .)