Why Does Hot Food Taste Better Than Cold Food?

It seems like nothing's better than a hot meal. How did we evolve to prefer cooked food over raw?

Learn More:

Can we stomach a raw meat mono diet? (The Guardian)
"We're pretty confident most healthy people aren't scrambling to adopt the all raw meat, all the time lifestyle. But the piece did make us wonder: does eating raw meat - let alone so much raw meat - have any established health benefits? How well can humans stomach raw meat? And is consuming it safe?"

The naked chef? Chimpanzees can 'cook' and prefer cooked food - study (The Guardian)
"A study found that chimpanzees prefer the taste of cooked food, can defer gratification while waiting for it and even choose to hoard raw vegetables if they know they will have the chance to cook them later on."