Seared Tuna Loin with a Sesame Mustard Seed Crust

A piece of tuna loin this big is without question an extravagance, but as the centerpiece of a party spread, it has few equals. It’s meaty enough for those who are not avowed fish lovers and light enough for those who, like me, love fish of all kinds! The combination of seeds and peppers make a fantastic crust that really sets off the rare-cooked fish beautifully. Best of all, it’s fast to assemble, works hot or cold, and feeds a crowd. No wonder it’s my tried-and-true when we have a housef