A tailgate food preparation assembly includes an assembly trailer; a main storage bin carried by the assembly trailer; a mobile storage bin carried by the assembly trailer adjacent to the main storage bin, the mobile storage bin having a pair of front frame corners; and a storage bin hinge pivotally connecting the mobile storage bin to the assembly trailer at one of the pair of front frame corners. The mobile storage bin may be positional between a forward, storage and transport position and a rearward, food preparation position.