Answer: cookie

AnswerCrossword Clue
COOKIE

Sweet tidbit

COOKIE

Data packet

COOKIE

Part of a batch, maybe

COOKIE
Lunchbox snack
COOKIE
Monster or jar opener
COOKIEGingersnap, e.g.
COOKIEOreo, for one
COOKIESnickerdoodle or snap
COOKIESweet treat
COOKIEFortune ...
COOKIEBrowsing activity marker
COOKIESnack with milk
COOKIE"Smart" person
COOKIEKind of pusher
COOKIEGingersnap
COOKIEKind of sheet or press
COOKIESnap
COOKIEThe ..... Monster
COOKIESnap, e.g.
COOKIEOne might mark a shopping cart's contents
COOKIEWord after smart or sugar
COOKIES'more, for one
COOKIEFortune, e.g.
COOKIEThe ... Monster
COOKIEOnline tracker