Pricey cracker spread (4)
'pricey cracker spread' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for pate that I've seen before include "Tasty meat paste, maybe de foie gras" , "Crown of the head" , "food" , "Meat paste, perhaps de foie gras" , "Tape for a head" .)
(Other definitions for caviar that I've seen before include "Sturgeon's roe" , "Sturgeon delicacy" , "produce of Russia?" , "posh meal" , "dear thing" .)