The candy bar that is mostly peanuts is the "PAYDAY Candy Bar".
The PAYDAY Candy Bar is mostly peanuts as peanuts are the main ingredients in the PAYDAY Candy Bars.
PAYDAY Candy Bars mostly consist of salted peanuts that are covered in a nougat like sweet caramel center.
The PAYDAY Candy Bars were invented and first manufactured in 1932 by Frank Marty Martoccio, who was a macaroni and candy manufacturer.
Snickers is another type of candy bar that contains peanuts.
Snickers candy bars are a chocolate covered candy bar that is made by Mars, Inc and consists of nougat, caramel and peanuts that are covered in milk chocolate.