"Warm, huh..." Well, first to find something he can actually work with in this kitchen. He's not sure what dead people eat, much less what they get shipped in, but there's a thing or two he can do in most American kitchens. Chicken adobo comes to mind.

He starts poking around in the refrigerator, searching for food. Yo, is that rice? He picks up the little carton, opens it to smell it. "I can do warm. What do you eat where you live?"