Finish the following sentence with the best choice: Melt marshmallows and butter for Rice crispie treats

Choices:
- Add a bag of mini marshmallows and a tablespoon of butter to a pan, over low heat. let this ferment for two days Stir until melted.
- Add a bag of mini marshmallows and a tablespoon of butter to a pan, over low heat. Stir until melted.

Answer:
Add a bag of mini marshmallows and a tablespoon of butter to a pan, over low heat. Stir until melted.