Cooking

Horde

All
Aska Mistrunner (Thunder Bluff, centre of Thunderbluff, near Cairn Bloodhoof)
Eunice Burch (Undercity, centre of Undercity near the Bank)
Zamja (The Drag, Orgrimmar)
Duhng (Small hut east of Crossroads, the Barrens)
Mudduk (Grom'Gol Base Camp, Stranglethorn Vale)
Derak Nightfall (Tarren Mill, Hillsbrad Foothills)
Kelsey Yance (Booty Bay, Stranglethorn Vale)

Expert (to 225)
Expert Cookbook - buy from Wulan in Shadowprey Village, Desolace.

Artisan (to 300)
Quest: Clamlette Surprise - Starts with Dirge Quikcleave (Gadgetzan, Tanaris)

Master (to 375)
Master Cookbook - Sold by Baxter in Thrallmar, Hellfire Peninsula.

Alliance

All
Cook Ghilm (Gol'Bolar Quarry, Dun Morogh)
Crystal Boughman (Lakeshire, Redridge Mountains)
Daryl Riknussun (The Great Forge, Ironforge)
Gremlock Pilsnor (Kharanos, Dun Morogh)
Stephen Ryback (Old Town, Stormwind City) Casey's brother? :o)
Thomas (Goldshire, Elwynn Forest)
Alegorn (Craftsman Terrace, Darnassus)
Zarrin (Dolanaar, Teldrassil)
Craig Nollward (Theramore Isle, Dustwallow Marsh)
Kelsey Yance (Booty Bay, Stranglethorn Vale)

Expert (to 225)
Expert Cookbook - buy from Shandrina in Silverwind Refuge, Ashenvale.

Artisan (to 300)
Quest: Clamlette Surprise - Starts with Dirge Quikcleave (Gadgetzan, Tanaris)

Master (to 375)
Master Cookbook - Sold by Gaston in Honor Hold, Hellfire Peninsula.