A smoker for imparting flavor to food comprising at least one smoking chamber, a lower chamber disposed below and in open communication with the bottom of smoking chamber, more than one flat, externally rotatable fire shield disposed below the cooking rack within the lower chamber, at least one firebox removably disposed within the lower chamber below the fire shields, the firebox having an outer door covering the firebox opening when the firebox is deployed inside the lower chamber, a handle, sidewalls and at least one bottom grate defining a support for a combustible material, slider means for supporting the firebox, an air intake below the firebox within the lower chamber, and an ember plate disposed outside of the lower chamber, whereby a combustible material is ignited in the firebox while disposed outside of the lower chamber, then pushed into the lower chamber to smoke the food.