Kamado-style grill assemblies including heat spreaders and/or support brackets

A grill assembly comprising:

• a vessel defining an opening extending between an interior of the vessel and an exterior of the vessel;
• a fire bowl adapted to be positioned within the vessel, the fire bowl defining an upper opening and a lower opening;
• a unit sized to extend through the opening of the vessel and below the lower opening of the fire bowl, the unit including a burner configured to radiate heat into the fire bowl;
• and a heat spreader formed at least partially of a thermally conductive material to absorb heat radiated from the burner and spread heat away from the burner;
• and a support bracket adapted to be coupled to the fire bowl the support bracket sized to extend across at least a portion of the upper opening of the fire bowl, a natural stone adapted to be supported on the bracket above the upper opening of the fire bowl wherein the natural stone has a dimension greater than a distance across the lower opening of the fire bowl, wherein the heat spreader is sized to be positioned on the unit through the lower opening of the fire bowl.