Um...I do not see why not?

[They are on some sort of space craft after all, presumably...assuming there isn't anything in here to properly cook with (Karamatsu hasn't looked that hard yet), then there should be something to at least heat up the food they do have.]

Here- I will help you look. There are plenty of boxes and things here as it is, so surely one of them must be used as a source of heat.