An outdoor cooking apparatus includes a base heating unit and at least one cooking chamber adapted to interlockingly engage the heating unit so that the heating unit and cooking chamber can be carried separately or as a unit. The base heating unit includes a housing adapted to support burning charcoal, and at least one air opening above and below the support, respectively, that are closeable to control air flow. Several different cooking chambers are provided that nest against the heating unit and/or nest into each other and/or stack on each other. The heating unit includes a funnel to direct food grease to a collection place, and a seasoning pan that both shields the funnel from heat and that holds seasoning for flavoring food being cooked.