When Nick LaRosa of Nook Kitchen put together his menu, he wanted to do a spinoff on bagels and lox. Then, he had a great idea: “Why not put everything bagel seasoning on salmon?” LaRosa tried different preparations and decided pan seared and finished in the oven would be the best way. Once you make up a batch of Everything Bagel Spice, you can use it for all sorts of dishes, LaRosa says. “You can...