A grill is provided including a base structure. An upper platen assembly is connected to the base structure and includes an upper grilling surface having a first cooking surface. A lower platen assembly is connected to the base structure and includes a lower grilling surface having a second cooking surface. A release sheet is removably mounted to the grill. The release sheet has a central portion configured to cover at least the first cooking surface and a joint between the upper platen assembly and the lower platen assembly.