To expose fresh food to smoke from a wood fire for a prolonged period of time. Traditionally used for preservation purposes, smoking is now a means of giving flavor to food. Smoking tends to dry the food, kills bacteria, deepens color and gives food a smoky flavor. The duration of smoking varies from 20 minutes to several days. The most commonly used woods are beech, oak and chestnut to which aromatic essences are often added. Small home smokers are now available.