Read more: These Are The Best Cuts Of Steak, According To Chefs Rump roast comes from the top ... won't want to just throw it on a piping hot grill like a piece of filet mignon.

Flat iron steak is an extremely tender, grill-ready cut ... might be labeled as top round or bottom round (also called the rump roast). If you can't find either, chuck roast makes a great swap ...

Pat the steak dry. Grill over a medium hot flame or on a hot plate for 2-3 minutes each side. Remove, cover loosely with foil and rest for 5 minutes. Slice to serve with the mushroom sauce.