Reese’s Peanut Butter Cups aficionados baffled by correct pronunciation of fan-favorite candy

Hershey’s Reese’s Peanut Butter Cups are a fan-favorite — but are you saying the candy's name correctly?

When Parade.com asked for tips on pronouncing the top-selling chocolate treat, a spokesperson for Hershey's pointed the outlet to a Halloween commercial narrated by actor/comedian Will Arnett.

Parade noted that the candy sounds like the possessive form of actor/director Reese Witherspoon's first name, and rhyme with "pieces."

Despite Hershey pronouncing the peanut butter cups as Rees-IS, many people call it Rees-EES.

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According to Hershey's Chocolate World the "ingenious flavor combination" Reese's Peanut Butter Cups can be traced back to 1928. 

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The creator, Harry Burnett Reese, an employee of The Hershey Company, created Reese's Peanut Butter Cups in his basement. 

In 1963, The Hershey Company purchased his invention for $23.5 million.

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"We rank his invention pretty high on the list of modern marvels," the company said.