Parker finds out that his aunt can’t use the jar of peanut butter that he eats from. His aunt has celiac disease, and the jar of peanut butter has been cross-contaminated with gluten. Parker has an idea so that everyone can have peanut butter. This book is written by someone living with celiac disease to help others have conversations with the kids in their lives about celiac or other conditions like food allergies where people must be careful about what and how they eat.