Thanks to all those sending in their findings! Feel free to post any recipes you discover to news(at)guildwarsinsider.com or post it in the comments below. This list will be updated as more contributions come in and DBs get around to updating.

To Make a Mad King’s Chest: You need 1 Candy Corn, 6 Mystery Tonics, 1 Boost (any), 1 Boost (any)

Armorsmith:
Superior Mad King Rune (Found via Trick or Treat bag):  200 Candy Corn | 25 Nougats | 1 Orichalcum Ingot | 1 Onyx Lodestone

Artificer:
Concentrated Halloween Tonic:  1 Snow Truffle | 1 Pile of Crystaline dust | 1 Jug of Water | 5 Trick or Treat Bags
Plastic Spider Tonic: 10 Fangs | 1 Trick or Treat Bag | 1 Venom Sac | 1 Jug of Water
Candy Corn Tonic: 10 Nougat | 3 Trick or Treat Bags | 1 Pile of Luminous Dust | 1 Jug of Water
Mummy Tonic: 7 Trick or Treat Bags | 1 Bolt of Linen | 1 Pile of Incandescent Dust | 1 Jug of Water

Cooking:
Bowl of Candy Corn Custard:  3 Candy Corn | 1 Glass of Buttermilk | 1 Vanilla Bean | 1 Egg 
Candy Corn Cookies: 25 Candy Corn | 1 Ball of Cookie Dough
Candy Corn Glaze: Starch |  Water |  5 Candy Corn
Candied Apple: 1 Apple | 1 Bowl of Candy Corn Glaze
Glazed Peach Tart: 1 Stick of Butter | 2 Bowls of Candy Corn Glaze | 1 Peach | 1 Ball of Dough
Glazed Pear Tart: 1 Bowl of Candy Corn Glaze | 1 Pear | 1 Bag of Sugar | 1 Ball of Dough
Piece of Candy Corn Almond Brittle: 3 Almonds | 1 Bag of Sugar | 15 Candy Corn
Strawberry Ghost: 1 Strawberry |  1 Chocolate Bar | 1 Bowl of Candy Corn Glaze
Spicy Pumpkin Cookie: 1 Ball of Cookie Dough | 1 Ghost Pepper | 3 Bowls of Candy Corn Glaze | 1 Bowl of Pumpkin Pie Filling

Weaponsmith:
Superior Sigil of Night (Recipe): 250 Candy Corn | 25 Fangs | 25 Nougats |25 Skulls
(may be a Mystic Forge found recipe, and no stat info on item. Email submitted without info)
Superior Sigil of Night (Creation): 100 Candy Corn | 1 Glob of Ectoplasm 1 | Orichalcum Ingot | 1 Charged Lodestone

Mystic Forge:
3 Exotic Weapons available for crafting
Arachnophobia
The Crossing, and The Mad Moon.

Gift of Spiders (Huntsman Recipe): 250 Candy Corn| 100 Fangs | 40 Elonian Wine | 10 Crystaline Dust
Gift of Spiders (Creation): 250 Oricalchum Ingots | 20 Globs of Ecto | 100 Destroyer Lodestones | 1 Gift of Ascalon
Gift of Souls (Artificer Recipe):  250 Oricalchum Ingots | 20 Globs of Ecto | 100 Destroyer Lodestones | 1 Gift of Knowledge
Gift of Souls (Creation): 250 Candy Corn| 100 Fangs | 40 Elonian Wine | 10 Incandescent Dust
Gift of the Moon (Weaponsmith Recipe):  250 Oricalchum Ingots | 20 Globs of Ecto | 100 Destroyer Lodestones | 1 Gift of Thorns
Gift of the Moon (Recipe): 250 Candy Corn| 100 Fangs | 40 Elonian Wine | 10 Incandescent Dust

 

Total cost of crafting The Crossing:

  • 530 Orichalcum Ore
  • 250 Candy Corn
  • 100 Nougat Center
  • 100 Charged Lodestone
  • 54 Ancient Wood Log
  • 40 Elonian Wine
  • 25 Glob of Ecto
  • 10 Crystalline Dust
  • 5 Fine Crafting Material
  • 1 Gift of Knowledge (500 CoE Tokens)

Total cost of crafting Arachnophobia:

  • 530 Orichalcum Ore
  • 250 Candy Corn
  • 100 Destroyer Lodestones
  • 100 Spiders
  • 42 Ancient Wood Log
  • 40 Elonian Wine
  • 25 Globs of Ecto
  • 10 Crystalline Dust
  • 6 Hardened Leather
  • 5 Fine Crafting
  • 1 Gift of Ascalon (500 AC Tokens)

Total cost of crafting The Mad Moon:

  • 538 Orichalcum Ore
  • 250 Candy Corn
  • 100 Corrupted Lodestones
  • 100 Chattering Skulls
  • 40 Elonian Wine
  • 30 Ancient Wood Logs
  • 25 Globs of Ecto
  • 10 Crystalline Dust
  • 5 Fine Crafting
  • 1 Gift of Thorns (500 TA Tokens)

Click here for more of our Shadow of the Mad King Guides. Updated daily… sometimes more.

For a full list of all Halloween items added to the game, check out this search on GW2DB

update 10/23 1:35pm: added additional info from Reddit