is there peanut butter in reese's pieces
The developer of the project turned the problem over to a team of outside scientists, who created a peanut-flavored penuche filling. More experimentation was needed to determine the correct thickness of the shell. Finally, the colors of the candy coating were designed to coordinate with the color of the Reese's package. The goal color distribution is 50% orange, 25% brown, and 25% yellow.
Reese's Pieces