My version of scalloped potatoes contains cheese, so it’s technically potatoes au gratin (or au gratin potatoes). Why did I ...

Yet, au gratin and scalloped potatoes are sometimes used interchangeably—and are both delicious served alongside a holiday ham—so ... The biggest? "Cheese," dishes Kevin Lee, the chef behind ...

I originally found Ina Garten's recipe for potato-fennel gratin on the Barefoot Contessa ... You'll also need to grate your Gruyère cheese. And don't forget to butter your baking dish!