Patricia Rosas (asker) Nov 13, 2006:

That was my doubt, too... Yes, this is from Mexico, and I do think of bistec as a thin slice of meat. On the other hand, this is a recipe book for a wealthy crowd, and so my sense is that it might really mean sirloin steak. However ... it also gets marinated overnight, and then fried, and then covered with beans and bean broth, so if it were an "inferior" cut of meat, it might not matter...

Margaret Schroeder Nov 13, 2006:

Where is the recipe from? In Mexico, for example, bisteces are thinly sliced meat, not at all like what Americans would understand by a steak.