Answer:

nutmeg

Answer	Crossword Clue
NUTMEG	Eggnog spice
NUTMEG	Nog topper
NUTMEG	Eggnog ingredient

NUTMEG	Apple pie seasoning
NUTMEG	Christmas cookie ingredient
NUTMEG	Tree that's the source of mace
NUTMEG	Nog flavorer
NUTMEG	Mace source
NUTMEG	Eggnog sprinkling
NUTMEG	Flavoring in a Tom and Jerry
NUTMEG	Pumpkin pie ingredient

NUTMEG	Mulling spice
NUTMEG	Spice in Christmas cookies
NUTMEG	Pumpkin pie spice
NUTMEG	Eggnog need
NUTMEG	Eggnog topper
NUTMEG	Bechamel seasoning
NUTMEG	Eggnog enhancement