Reeses cake
On this Wikipedia the language links are at the top of the page across from the article title. The candy was introduced to the US market first in September 1978. Shortly after, Reese’s Pieces were reeses cake to the Canada market in 1980.
Reese’s Pieces were introduced in the UK in 1996, but are produced in the US. Reese’s Pieces has been included in many Reese’s and Hershey’s products since its introduction. Below is a list of available products that contain Reese’s Pieces, from the candy pieces being stuffed inside of existing chocolate bar variations to bags of baking chip mixes. Amounts converted and rounded to be relative to 38 g serving. Percentages are roughly approximated using US recommendations for adults. The original Reese’s Pieces candies with the inclusion of peanuts. Amounts converted and rounded to be relative to 15 g serving.
In the 1970s, the candies were produced by The Hershey Company using panning machines that had been used to make Hershey-ets, a chocolate-filled candy that had been discontinued. The candy was first called “PBs” and was later rechristened as 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.