Tricky crossword alert: Can you guess this squirreled-away edible?

Tricky crossword alert: Can you guess this squirreled-away edible? - ACORN
Edible that's been squirreled away?

Edible
Squirreled away
Nut
Autumn harvest
Found in the woods
Favorite food of squirrels
Provides energy for wildlife
Can be roasted or boiled
Part of a fall decoration
Harvested from oak trees.

ACORN