A vertical grill assembly. The vertical grill assembly includes a housing having a base, a rear wall, opposing sidewalls, and a top panel defining an interior volume. A plurality of burners are disposed on the interior surface of each opposing sidewall. The vertical grill assembly further includes a grill rack assembly including a first grill rack hingedly secured to a second grill rack via a floating hinge. Food is securable between the first grill rack and second grill rack via a locking ring that holds the first and second grill racks together. The grill rack assembly is insertable into the interior volume and is supported therein via upper and lower rails disposed on upper and lower ends of the sidewalls. The vertical grill assembly allows food to be prepared quickly and efficiently due to the simultaneous application of heat to both sides of the food.