instance in fig3 desirably before the grill 22 is placed over the firebox 25 although they alternatively can be positioned after the grill is in place the chicken 56 which may be whole chickens or repetitive individual parts such as breasts is uniformly spaced as seen in fig3 on the grill the chickens or parts thereof are placed in grid fashion as seen in fig3 over relatively the entire surface of the grill 22 the entire surface of the grill including angled sides 35 and 36 can be in effect packed with food providing the food extends in a single layer the enclosure 21 is then placed over firebox 25 and grill 22 and rests thereon on grill 22 the enclosure 21 extends in an outward lip around its bottom perimeter for instance 3 4 34 along sides 35 and 36 this lip rests on the grill 22 the enclosure 21 extends entirely over the grill 22 and its weight keeps it stable on the grill 22 and firebox 25 the walls of the firebox 25 and enclosure 21 in effect form extensions of one another the combined vertical walls of the firebox and enclosure are in excess of the width of the.