Crossword puzzle clue "preceder or follower of a puff puff"

to go by

a programme designed to develop human potential

FAT, to make plump

applied to several foods named after Dame Nellie Melba (1861-1931), Australian opera singer, such as melba toast, very thin crisp toast, and melba sauce a sauce for puddings, made from raspberries

to gather hard-shelled dry fruit

a person of a specified age