Probably best to avoid, if you're unsure. My daughters have a nut allergies. I've used pecan numerous times and they have had fries from 5 guys burgers which is fried in peanut oil--no issues. Peanut butter, candy with nuts or nuts in general and they will have a really bad reaction.
Brinkmann Cimarron / 22.5 OTG on 3rd cooking grate / PBC / Turkey Frier / 22.5 WSM on order.