Barbecue (also barbeque, BBQ and barby/barbies) is a cooking method and apparatus. Smoking is the process of flavoring, cooking, or preserving food by exposing it to smoke from burning or smoldering material, most oftenwood. Meats and fish are the most common smoked foods, though cheeses, vegetables, and ingredients used to make beverages such asbeer, smoked beer, and lapsang souchong tea are also smoked.barbecue-baking can be used to cook not only meats, but breads and other starches, and even various casseroles and desserts. It uses both direct and indirect heat to surround the food with hot air to cook, and can be basted much the same as grilled foods.The time difference between barbecuing and grilling is due to the temperature difference: at the low temperatures used for barbecuing.