Potato

A potato (Solanum tuberosum) was an edible root vegetable cultivated for its starchy tubers.

In a Dominion simulation, Benjamin Sisko and Jake Sisko were eating potatoes, although Ben was too preoccupied with Admiral Alynna Nechayev and Borath's negotiations to hear Jake asking for him to pass him them. 

Azan and Rebi wanted to clone Naomi Wildman for the Annual Voyager Science Fair. However, the organizer of the event, Seven of Nine, suggested that they try to clone something smaller, so they chose potatoes. 

Methods of potato preparation

 * baked potato (twice-baked potato)
 * French fries
 * mashed potatoes
 * potato casserole
 * potato chip
 * potato salad
 * scalloped potatoes

Apocrypha
In the non-canon book String theory - Cohesion, Seven of Nine noted to herself that less than one tenth of one percent of species known to the Borg reproduce by method of budding, as do potatoes.

Kartoffel