Large rich meal (5)
I believe the answer is:
feast
(Other definitions for feast that I've seen before include "Banquet or religious festival" , "Celebratory meal" , "(Eat) a rich meal" , "Tuck-in; blow-out" , "Extravagant meal" .)
I believe the answer is:
feast
(Other definitions for feast that I've seen before include "Banquet or religious festival" , "Celebratory meal" , "(Eat) a rich meal" , "Tuck-in; blow-out" , "Extravagant meal" .)