Natural peanut butter is perfectly safe for dogs, it is the ingredient Xylitol that is in some peanut butters that is poisonous to dogs. Xylitol is a sugar substitute so be sure your peanut butter does not contain that before using it in this recipe. Read u003ca rel=u0022noreferrer noopeneru0022 href=u0022https://www.nationalpeanutboard.org/news/can-peanut-butter-kill-your-dog-an-expert-weighs-in-for-national-dog-day.htmu0022 target=u0022_blanku0022u003emore about peanut butter and dogs hereu003c/au003e.