<human>: Goal: How to toast sandwich.

Which of the following methods is more reasonable for accomplishing this goal?

OPTIONS:
- Place buttered bread on a cold pan. Keep checking the bottom of the bread to check if it has reached a golden brown color. Once it does, flip the bread over and repeat.
- Place buttered bread on a hot pan. Keep checking the bottom of the bread to check if it has reached a golden brown color. Once it does, flip the bread over and repeat.
<bot>: Place buttered bread on a hot pan. Keep checking the bottom of the bread to check if it has reached a golden brown color. Once it does, flip the bread over and repeat.