the hopper 56 various blends of wood pellets that are suitable for generating wood flavored smoke in a barbecue grill are commercially available from hutton marketing llc of st helens oreg the user also energizes the main heat source 8 at a convenient time which may be just before placing food items on the cooking grate 12 the user will activate the means for moving the wood pellets and energize the secondary heat source 68 the speed of travel of the wood pellets 70 and the heat output of the secondary heat source 68 are selected so the wood pellets 70 are heated to a sufficient temperature to emit smoke but are not ignited the smoke emitted from the wood pellets 70 escapes from the secondary housing through the slot 40 and accumulates above the sear bars 16 the food items being cooked on the cooking grate 12 are thereby exposed to the flavor imparting smoke enhancing the flavor of the food items in some instances it is desirable that a large portion of the smoke generated by the wood chips be directed at only a portion of the cooking grate 12 and conversely that little or no smoke come into contact with another portion of the cooking grate in a third embodiment of.