The HoMeKi-Jam is a food added by Actually Additions. It stands for "Honeydew, Melon and Kiwi Jam". The HoMeKi-Jam can be found in a Jam House or from a Jam Villager.
Eating it will give Regeneration for 10 seconds and Invisibility for 30 seconds, as well as an empty Glass Bottle.