Hints and Recipes

Chillin' and Loathin' at Coldfront
Fansite with hints, classes, locations, item lists and combinations.
http://kol.coldfront.net/

Devil's Den: Recipes
Things to cook using scrumptious reagent or dry noodles.
http://www.freewebs.com/devilfromhell/recipies.htm

Familiar Strengths
Chart with strengths of each familiar and advise on how to do well at the Cake-Shaped Arena in the Nearby Plains.
http://www.the-rye.dreamhosters.com/familiars/

Flickr: KoL
Bulletin board with spoilers on trophies, potions, and stat gains.
http://flickr.com/groups/41894152509@N01/

Kingdom of Loathing Bartending Guide
Drink recipes, table of drunkenness and effects, and optimal drinking strategies for gaining adventures, Muscle, Mysticality, or Moxie, with or without Liver of Steel. Available as PDF file or PNG images of each page.
http://www.bellsouthpwp.net/e/p/epeterso2/KOL_Bartending_Guide.html

Kingdom of Loathing: Item Effects
Shows average gains of ingested foods, drinks and items used by a lot of KoL players.
http://www.lysator.liu.se/~jhs/KoL/effects/

Kingdom of Loathing Spoilers
Guide covers quests, recipes, trophies, and other in-game information.
http://zerokelvin.org/kol.html

Kingdom of Loathing Spoilers
One long page that explains quests, familiars, tattoos, clothing outfits, where items are found, recipes (food, drink, smithing, jewelrymaking, supertinkering), store prices, and affects of post-Ascension signs. Links.
http://s93834343.onlinehome.us/kol.html

KOL
Includes list of items, with uses, magical bonuses, prices, how to find or make them, and what they can be combined with.
http://geocities.com/indigosannex/KOL.html

KoL Familiar Tool
Input your familiar's species, and the species and weights of the opponents in the Cake-Shaped Arena, it suggests which battles to choose for greatest experience.
http://www.few.vu.nl/~rminne/kol/kolfamiliars.php

Kol Trance
Information about items, recipes, quests, familiars, moons and locations.
http://crazedpig.com/koltrance/

purpleandgrey: Kingdom of Loathing
Tips including recipes, trophies, familiar abilities, and skills available to each class.
http://www.purpleandgrey.com/kol.php

Subjunctive KoL
Exhaustive lists of just about every feature of Kingdom of Loathing, including pants, hats, and weapons sorted by power, adventures possible and items available in each area, effects, recipes, quests, and rewards in Fernswarthy's Basement.
http://www.subjunctive.net/kol/FrontPage.html