Beef flap meat is a very thin cut from the bottom sirloin. It has a texture and flavor somewhat similar to skirt steak, but is less prized (and thus less expensive). It's frequently used in tacos, carne asada, stir fry & other sliced or chopped applications.

What is flap meat made of?

Flap steak, or flap meat (IMPS/NAMP 1185A, UNECE 2203) is a beef steak cut from the obliquus internus abdominis muscle of the bottom sirloin. It is generally very thin, fibrous and chewy, but flavorful, and often confused with both skirt steak and hanger steak.

What cut of beef is called flap meat?

What is Flat Meat? Flat meat, which is the colloquial description that many use for flap steaks or sirloin tips, comes directly from the internus abdominis muscle that is positioned around the bottom sirloin butt of the cow.