Instructions for building a barbecue smoker, along with links to several plans and recipes, are available for free on HowToBBQRight.com. A variety of plans are available for sale on SmokerPlans.net, while BBQ-Smoker-Guide.com provides plans for several unique smokers made out of unusual materials.
Smokers cook food slowly through an indirect heat source. There are two basic types of smokers: vertical and horizontal. Vertical smokers use a combination of steam and smoke to cook the food. Horizontal smokers are similar to a hooded barbecue, but the heat sources are set aside in a separate chamber. Both meat and vegetables are popular foods to smoke.