A Peanut Butter Cup is a popular candy that consists of a chocolate shell filled with creamy or crunchy peanut butter. The combination of sweet chocolate and salty peanut butter creates a rich flavor that many people enjoy. They are often sold in individual wrappers or in multi-pack boxes. These treats are commonly associated with the Reese's brand, which is one of the most recognized producers of peanut butter cups. They can be found in various sizes and variations, including mini cups and seasonal shapes. Peanut butter cups are a favorite snack for both children and adults.