Pickle Clue

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Across
  1. 3. Irish Noel
  2. 4. Christmas pudding dressing (& lighter fluid)
  3. 7. Original Moore reindeer and colloquial Dutch for "lightning"
  4. 10. Antipode of Saint Nick
  5. 11. "Everybody knows a ___ and some mistletoe / help to make the season bright"
  6. 12. Zoroastrian priest astrologers
Down
  1. 1. Decorative element marking the top
  2. 2. Bing's real name
  3. 3. "The ___ and the dear ones / the old and the young"
  4. 5. "His ___ little mouth was drawn up like a bow"
  5. 6. Ingredient removed from Percy Pigs to make them fully vegan in 2022
  6. 8. White Christmas director
  7. 9. Genus of the spruce