Roasted Potatoes

Roasted Potatoes are a food that boosts luck while mining. This perk does not affect equipment or item drops, only the drop rate of the rare resources associated with the resource being gathered, not the resource itself.

Source
Roasted Potatoes can be crafted with 7 cooking skill at a Tier I kitchen with the following materials:
 * Potato x1
 * Butter x1
 * Peppercorn x1

Crafting this item costs a base of 0.01 coins and awards:
 * +9 cooking XP
 * +3 territory standing