system
Given the following post, respond as if you're commenting on Reddit:
human
Why does grated cheese often taste better than a chunk of the same cheese?
gpt
Oxygen exposure has a lot to do with it. Many types of food taste better if it has a large surface area that is being oxidized as you chew it, which is why many chocolate bars have hollow or wafer-like structures. This effect is more significant if the food has recently been oxidized which is why freshly grated cheese tastes better than grated cheese sold in bags.