Abstract: A drip tray, a grill having a drip tray, and a kit for retrofitting a grill are disclosed in which a heat source is disposed beneath a cooking grate on which food it to be cooked. A plurality of lava rocks are disposed above the heat source and are selectively moveable closer to, and further away from, the cooking grate. A drip tray may be disposed between the heat source and the lava rocks, with the drip tray having a plurality of openings through which heat from the heat source may pass to heat the lava rocks and having a plurality of grooves through which grease or other liquid which falls onto the drip plate is directed to a suitable collection point.