You want this one from Goodman Games: Dungeon Crawl Classics #38: Escape from the Forest of Lanterns
You've got a wicked witch, a gumdrop trail, a candy house, fey, and more surreal fairy tale stuff than you can shake a stick at. Many encounters can be solved with diplomacy or changed such that nonviolent solutions work. The one drawback is that it's high level, but you could definitely tweak it so that the witch's muscle was goblins rather than what she actually has....