At his Chicago restaurant Ever, which played a supporting role in “The Bear,” the chef Curtis Duffy refines his story.

Three young chefs join Chef Keller in the kitchen of his three-Michelin-starred restaurant to learn how to recreate one of his delicious dishes at home.

From his early days washing dishes at his mother’s Palm Beach restaurant to running the French Laundry and Per Se, Keller has spent decades chasing perfection.

And although I'd argue that grilled cheese is a pretty perfect recipe, there's always room for improvement, especially in the ...