Chef Roy Choi has always loved shrimp toast. Growing up, he writes in his new cookbook, “The Choi of Cooking,” it seemed to have a magical quality. Eventually, he learned the secret: it’s pureed ...

To prepare the sesame shrimp toast, start by removing the crust from the sandwich bread (1). Chop the shrimp (2), place them in a bowl, and add the cornstarch (3). Mix and set aside (4). Then whip an ...