Sheet pan meals are the heroes of a busy weeknight. With barely any hands-on time, the recipe practically makes itself, roasting seamlessly on one tray in the oven until everything is ready to eat.

Nico Delaroque of Nico in San Francisco uses this delicate baking method to help local halibut retain its delicate texture. After salting it, which firms up the texture a bit, he cooks it on a rack to ...