Answer: pea

AnswerCrossword Clue
PEAPotpie tidbit
PEAPod filler
PEAShell game need
PEASphere of green
PEAShell-game prop
PEAEdible orb
PEAPod occupant
PEAPot-pie veggie
PEAShell-game item
PEADodo's brain size?
PEAThimblerigger's item
PEAInsomnia inducer?
PEACause of royal insomnia?
PEACasserole minutia
PEAShade of green
PEARound legume
PEAMark Dunn's "Ella Minnow ...: A Novel in Letters"
PEAWord after sugar or sweet
PEAFairy-tale sleep depriver
PEAGarden ... (plant used in Mendel's experiments)
peathe round edible seed of a cultivated legume
PEASoup or shooter
PEAPotpie morsel
PEARoyal irritant
PEASwee' ..
PEAGreen shade
PEAShooter ammo
PEA.. green
PEAHailstone size
PEAPod denizen
PEAShooter piece
PEAGreen vegetable
PEAKind of jacket
PEAPrankster's projectile
PEAHard-to-stab-with-a-fork thing in one's salad, perhaps
PEANavratan korma veggie
PEAOne might be split
PEAGreen thing in a pot pie
PEAIt rattles in a whistle
PEASoup veggie