Is a tenderloin a filet mignon?
Size: Beef tenderloin is a larger cut of beef that includes the filet mignon. If you want to cook a large, shareable beef dish like beef Wellington, purchase the entire tenderloin (or a large piece of it) from your grocery store or butcher. If you want to cook one perfect steak, ask for the filet mignon.
What is the difference between filet mignon and beef tenderloin?
The Cut of Beef: The tenderloin can be seen as the whole piece of meat while the filet mignon is the portion that tapers down to a point at the end of the tenderloin. The tenderloin can be bought as a whole piece while the filet mignon is pieces cut in rounds from the tenderloin.