The circular pre-made sandwiches had actually been in play since 1995, when North Dakotans David Geske and Len Kretchman introduced their Incredible Uncrustables in Midwest grade schools.

Uncrustables were invented by David Geske and Len Kretchman in 1995 and were originally called Incredible Uncrustables. The sandwiches were sold in schools throughout the US, and The J.M. Smucker ...