Corn Dog is a consumable item in Undertale Yellow which restores 15 HP when used. It is found in what seems to be a corn storage room which can be accessed through the room in front of Dalv's house.

Consumable items Pear • Candy Corn • Corn Dog • Lemonade • Sponge Cake
Accessories Feather
Ammo Rubber • Pebbles
Miscellaneous Missing Poster