The bar that started it all, yet its somewhat sour flavor remains disputed. The business strongly disputes that soured milk caused Hershey's bars' particular flavor, which hasn't altered since 1900.
One of the earliest "combination candy bars," the Oh Henry! was a chocolate-covered peanut, caramel, and fudge mix named after a man who flirted with the factory workers and wouldn't let them work.
Heath Toffee Bars were initially sold as health bars and contain toffee, almonds, and milk chocolate. "Heath for better health!"
Clark Bars include spun taffy and crunchy peanut butter like Butterfinger. Boyer Candy Company in Altoona, Pennsylvania, 100 miles east of Pittsburgh, bought the rights to create Clark Bars after the Necco plant closed in 2018.
Shredded coconut and dark chocolate candy bars are still popular.
The Baby Ruth bar, which is purportedly named after President Grover Cleveland's eldest daughter rather than the renowned baseball player, was initially promoted as a "energy bar" and a "complete luncheon for 5c."
In an early marketing promotion, the Curtiss Candy Company dropped Butterfingers from planes with small parachutes, which was incredibly cute (and little hazardous).