How was Reese's created was it a mistake?

Reese's Peanut Butter Cups were created by H.B. Reese in 1928. He was a former dairy farmer and employee of Milton S. Hershey, and he initially produced a variety of confections. The combination of chocolate and peanut butter was not a mistake but rather a deliberate creation that capitalized on the growing popularity of both ingredients. Over time, Reese's Peanut Butter Cups gained significant popularity, becoming one of the most beloved candy brands in the United States.