I absolutely love this cut if you can find it. Love it more than a tri tip. What wikipedia has...
"Picanha is a cut of beef popular in Brazil. In the U.S. it is little known, but referred to as the rump cover, rump cap or coulotte. North American butchers generally divide it into other cuts like the rump, the round and the loin. In some places in the US it is called top sirloin cap."
I cut the fat cap off. I've done it both ways and found I like it without...