Betty Baking Mixes bring you the REESE'S flavor you crave! Melty peanut butter meets warm, rich chocolate when baking with this Betty Crocker REESE'S Muffin Mix. Every muffin features REESE'S Peanut Butter chips and HERSHEY'S Milk Chocolate chips inside. Betty Crocker makes it easy to create delicious peanut butter muffins with chocolate chips for that iconic flavor combination everyone loves.