Tenderloin with Miso

Tenderloin—most commonly sold as filet mignon—has just about the least flavor of any cut of beef, but it is wonderfully tender and juicy, and it sure takes well to this sauce, which everyone seems to love.

I’m not usually a big fan of long marinating periods, but here it seems to make a big difference; the miso completely changes the flavor of the meat in a spectacular way. I grill these, but you can broil the meat or roast it at 500°F for just a few minutes. (In any case, cook unti