What does the prep sheet ensure regarding food waste?

The prep sheet is designed to organize and plan food preparation efficiently, ensuring that only the necessary amount of ingredients is prepared. By detailing what is required for each dish based on anticipated demand, the prep sheet helps in making accurate calculations about the quantities needed. This targeted approach prevents over-prepping and thus minimizes food waste, allowing for proper inventory management and cost control.

The other options do not accurately reflect the purpose of a prep sheet. Increasing food waste by prepping more than necessary or maintaining excess options would lead to unnecessary wastage, while stating that it has no impact would undermine the sheet's role in effective food management.