system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why do French Fries taste bad when you heat them up/eat them later?
gpt
Frying in oil boils off surface moisture of the potato allowing it to brown/crisp. When the fry cools it absorbs moisture from the air. This is why rehearing in the oven (to dry them out) is better than in the microwave.