This datapack gives you a reason to do nothing but farm potatoes, here are all features:

Potato Bug

a mob you can kill, spawns sometimes when you harvest potatoes and drops potato bug dust

Potato Bug Dust

It is used to make potato potions



potions:

Potato Potion:

Heals the poisonous potato potion's effect


Baked Potato Potion:

Burns any entities it hits


Poisonous Potato Potion:

Prevents healing for 2 minutes



How to make the potions:
Simply throw any kind of potato in a cauldron along with potato bug dust and wait a few seconds
Right click on the cauldron with an empty bottle to get a potion