Which responsibility involves checking on the quality of food served?

The responsibility that involves checking on the quality of food served is focused on ensuring that every dish meets the restaurant’s standards before it reaches the guest. This task is essential in maintaining high-quality service and food presentation, contributing to overall guest satisfaction.

In this context, a quality check encompasses the verification of various aspects of the food, including taste, temperature, presentation, and portion size. A staff member performing a quality check is effectively acting as a gatekeeper, ensuring that every plate that leaves the kitchen aligns with the restaurant's expectations and is of the highest standard for guests to enjoy.

The other choices refer to specific items or stages in the dining experience but do not directly relate to the overall assessment of food quality before being served to customers. Thus, the quality check is critical in the role of ensuring that food served meets the expected standards of excellence in the restaurant.