Non-allergenic natural nut essential oil is derived from natural nut materials having 100 ppb or less protein such as nut butters by steam distillation or solvent extraction. The essential nut oils are preferably dissolved in a liquid edible carrier for use as nut flavor ingredients for food products. The food products flavored with such low protein essential nut oils are hypo allergenic. Methods of preparing the nut essential oils as well as methods of preparing nut flavored food products are disclosed.