Topping menu with orgies, not so bad (8)
I believe the answer is:
meringue
'topping' is the definition.
(meringue is a kind of topping)
'menu with orgies not so bad' is the wordplay.
'with' is a charade indicator (letters next to each other).
'not' suggests deleting specific letters.
'bad' indicates anagramming the letters.
'menu'+'orgies'='menuorgies'
'menuorgies' with 'so' removed is 'menurgie'.
'menurgie' with letters rearranged gives 'MERINGUE'.
(Other definitions for meringue that I've seen before include "What can be made from egg whites and sugar" , "Pavlova component" , "Confection based on egg whites" , "Baked confection of beaten egg whites and sugar" , "Dessert of beaten egg-white and sugar, baked crisp" .)