Black Pepper Spice Drinks - Black pepper is a seasoning produced from the fermented, dried, unripe red berries, called peppercorn, of the plant Piper nigrum. The same peppercorn, when unripe green, can be dried, or preserved in brine or vinegar, to make green peppercorn or when ripe, dried and dehusked to make white peppercorn, for white pepper.