Forum:How to use BBQ in Isla del Monstruo?

Metal Gear series are too serious but they also include the extremely funny moments, just like Big Boss rolling a ration on fire as a GIANT MONSTER waiting for him to make his BBQ, Eat it & then come back to fight... LOL :D :D :D there's nothing in the whole world like this one. But i don't know how to use it? will you plz tell me how to make some BBQ for Big Boss? ThX