Answer:

parsnips

Answer	Crossword Clue
PARSNIPS	Edible roots
PARSNIPS	Thanksgiving roots
PARSNIPS	Carrots' cousins

PARSNIPS	Edible white roots.
PARSNIPS	Esculent roots
PARSNIPS	Soup flavorers
PARSNIPS	Cousins of carrots
PARSNIPS	Edible white roots
PARSNIPS	White veggies

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.