Some of the items in the Bais Yaakov cookbook are not kosher. We only have a sample of some of the recipes. The recipes have numerous infested items that the consumer is unable to check for infestation. See Mishnah Berurah Hilchos pesach (Maror) the chasam sofer.
The cookbook has Raspberries, fresh cilantro, fresh parsley leaves, leek (removing just the dirt does not remove the infestation), fresh basil leaves, 8 oz bag romaine lettuce, frozen strawberries. all of these items are infested. The rest of the cookbook may have other non-kosher ingredients. Beware: