Final answer:
Leftover Prime Rib for sandwiches is commonly shaved to a thickness of C) 1/8" to make the meat easy to bite and chew while maintaining the texture and flavor.
Step-by-step explanation:
When preparing leftover Prime Rib for sandwiches, the meat is commonly shaved to a thickness to enhance the texture and flavor. Sandwich meat is typically shaved very thin to make it easy to bite and chew, especially for a tender cut like Prime Rib. While the best thickness can be subjective and depend on personal or restaurant preferences, a commonly recommended thickness is C) 1/8".