Other chocolate-covered peppermints were manufactured before the York Peppermint Pattie came on the market, but Kessler's version was firm and crisp, while the competition was soft and gummy. One former employee and York resident remembered the final test the patty went through before it left the factory. "It was a snap test. If the candy didn't break clean in the middle, it was a second." For years, seconds were sold to visitors at the plant for fifty cents a pound.