The ingenious flavor combination in each of these treats can be traced back to 1928, when H.B. Reese, an employee of The Hershey Company, created REESE'S Peanut Butter Cups in his basement. The Hershey Company supplied Reese with the chocolate coating for his candy and eventually purchased his business in 1963.

Reese's Pieces are a product extension of the Reese's Peanut Butter Cups line; they were designed to capitalize on the success of the chocolate-covered peanut butter cups, though unlike the cups, they have no chocolate.

“There's no wrong way to eat a Reese's.” If you're a millennial like me, you probably had that slogan burned into your brain thanks to countless Reese's Cups commercials playing during your Saturday morning cartoon block.

Harry Burnett Reese H.B. Reese: The Man Behind the Candy According to the Hershey's Community Archives, Reese's Peanut Butter Cups get their name from their founder, Harry Burnett Reese. H.B. Reese started out in the candy business by managing dairy production for Milton S. Hershey.

11 Delicious Facts About Reese's

• REESE'S FIRST CRACK AT THE CANDY BUSINESS WAS A FLOP.
• REESE'S NEXT CANDY COMPANY STARTED IN HIS BASEMENT.
• THE BIG BREAKTHROUGH CAME IN 1928.
• THE PEANUT BUTTER CUP BECAME A BREAKOUT STAR.
• WORLD WAR II LED TO REESE DOUBLING DOWN ON THE PEANUT BUTTER CUPS.

And so, nearly 100 years after REESE'S Peanut Butter Cups were created in 1928, we're going back to their roots – literally, their very source – and bringing the famous chocolate and peanut butter combo straight from there to you!

Reese's are the top-selling candy brand worldwide, with more than $2 billion in annual sales generated for The Hershey Company.

8 Things You Probably Didn't Know About Reese's

• Harry Burnett Reese's First Attempt in the Candy Business was a Total Fail.
• Reese's Second (and Wildly More Successful) Shot at the Candy Business Began in His Basement.
• You Can Purchase Half-Pound Reese's Cups.
• E.T. Was Supposed to be Eating M&Ms, Not Reese's Pieces.

The original incarnation of Reese's #NotSorry was a response to the campaign “Sorry, I Was Eating a Milky Way” launched by competitor Mars in 2012. The Halloween season is a highly competitive time for candy brands, as they attempt to lure consumers and drive sales ahead of trick-or-treating.

In 1969, only six years after the Reese/Hershey merger, Reese's Peanut Butter Cups became the best-selling product of The Hershey Company.

Unlike, say, Nerds or Pixy Stix, Reese's are more than straight sugar - there's saltiness and depth to the peanut butter that balances out the sweetness (that's what we in the food biz call “nuance”).

Roasted Peanuts, Sugar, Contains 2% or Less of: Hydrogenated Vegetable Oil (Rapeseed, Cottonseed, and Soybean Oils), Salt, Peanut Oil, Monoglycerides, Molasses, Cornstarch.