New York (CNNBusiness)It has a square shape, no stick, and will make your fingertips cold and sticky as you gingerly bite into its thin chocolate covering to reach the delicious vanilla ice cream encased inside.

This is the iconic Klondike ice cream bar, which is hitting a major milestone birthday this year: At 100 years old, Klondike is still going strong as a staple in the frozen treats sections of most large supermarket and mom and pop grocers nationwide.