Plating hot starter in ravioli, happen to scoff that (6)
I believe the answer is:
chrome
'plating' is the definition.
(something may be plated in chrome)
'hot starter in ravioli happen to scoff that' is the wordplay.
'hot' becomes 'h' (abbreviation eg on taps).
'starter in' suggests taking the first letters.
'happen' becomes 'come' (coming is a kind of happening).
'to scoff that' means one lot of letters goes inside another (inserted letters are eaten or scoffed).
The initial letter of 'ravioli' is 'r'.
'h'+'r'='hr'
'hr' placed into 'come' is 'CHROME'.
(Other definitions for chrome that I've seen before include "Shiny metallic plating" , "Plate (for bathroom fixtures etc)" , "A yellow colouring matter" , "Shiny metallic coating" , "Silvery metal surface to prevent tarnishing" .)