Abstract: A barbecue grill assembly is disclosed including a bowl and domed, free-standing lid mating with each other to form a three-dimensional oval in combination a support assembly being provided for the bowl in the form of a integral shelf lid holder or brackets mounted on a portion of the barbecue grill assembly in spaced apart relation less than a corresponding dimension of the lid with extended surfaces and stops for causing the lid to move horizontally along the extended bracket surfaces and then rotate into a generally vertical position in cradled engagement with the brackets or integral shelf lid holders, an ash collector unit including vent means being suspended beneath a central portion of the bowl, and an ash sweep assembly to for cleanup of the ashes.