The “Top Chef” final four contestants left Wisconsin and flew down to Curaçao last week in “Set Sail,” and they promptly boarded a cruise ship for their final challenges. In the end, Savannah Miller and Laura Ozyilmaz were the bottom two chefs, with Laura ultimately eliminated and Savannah eking out a spot in the final three with Danny Garcia and Dan Jacobs. None of them had their best day in the kitchen that day, but that doesn’t matter now. It all comes down to one final cook to win a feature in Food and Wine magazine; an appearance at the Food and Wine Classic in Aspen, Colorado; and $250,000 in prize money. So what went down in the season 21 finale “Cruising to a Win”?

The finale begins with a stop in Aruba, where the final three are greeted by host Kristen Kish and judges Tom Colicchio and Gail Simmons. “It all boils down to this,...